1_1_di_cyano 1_3_diazetidine_2_one 2_2_dimethyl_4_5_dicarboxy_dithiole 2_amino_3_carbonyl_2_thiopene 2_aminothiophene_3_carbaldehyde 2_hydroxy_phenyl_hydrazone 2_nitro_furans_and_pyrroles 2_pyridyl_N_hydroxy_imide 3_alpha_peptide_cycle 3_consecutive_aliphatic_nitrogen 3_consecutive_aliphatic_nitrogen_subst 3_halo_pyridazine_2_EWG 3_halo_pyridazine_4_EWG 3_ring_unsaturated 3_ring_with_2_heteroatoms 4_hydroxy_phenyl_hydrazone 5_ring_acyl 9_10_diphenyl_anthracene acetal_aminal_acyclic acetal_aminal_cyclic acetyl_urea acid_anhydride_acyclic acid_anhydride_cyclic acid_anhydrides_2 acid_count_3 activated_4membered_ring activated_S_or_O_in_3_ring acyclic_enolate acyclic_cyanohydrin acyclic_enolate acyclic_N-C-N acyclic_nitroamino acyl_cyanide adjacent_ring_double_bonds aldehyde_aliphatic aldehyde_aromatic aldimin_acyclic alkyl_chain_CH2_count_10 allene allyl_terminal alpha_chloro_amides_esters_amidines alpha_cyano_acrylamides alpha_halo_amine alpha_halo_EWG alpha_halo_heteroatom alpha_peptide amide_acyclic_count_2 amidines amino_acid amino_acridine amino_glycoside_streptamine amino_naphtalimide aminothiazol aminothiophene_dioxides aniline_alkyl_ene aniline_no_alkyl ansa_aromatics anthracen anthracen_diels_alder_adduct anthranil_one anthrones aromatc_alkinyl_hetero_aromatic aromatic_ether_count_5 aryl_sulfone_activated azanitrone azide azide_acylated aziridine_episulfide aziridine_like_N_in_3_membered_ring azocyanamides basic_amine_count_4 benzamidine benzhydrol benzisothiazolone benzofurazanes benzoisothiazolone benzothiazol_amine beta_alpha_mixed_peptide_1 beta_alpha_mixed_peptide_2 beta_carbonyl_quaternary_nitrogen beta_lactame beta_lactone beta_peptide betalactam_EWG biotin bis_activated_aryl_ester bis_picolylamines bis_sulfonyl_amide boronic_acid branched_polycyclic_aromatic C_S_double_bond_count C3_linker_simple_count_3 carbanion carbodiimides carboxyclic_acid_halides carboxylic_acid_count_3 catechole CF2_CF3_acetal CF2_CF3_count_3 CF2_CF3_count_5 CH_alkinyl_EWG CH_alkinyl_HetAr chelator_phenathrolin_like chlorates conjugated_alkenes conjugated_dithioether crown_ether cumarine Cyanamides cyanate cyanhydrine cyano_imine cyanopyridone_2 cyanopyridone_1 cyclobutene cycloheximide_derivatives cyclosporine cysteine hydroxamate dhp_bis_amino_biscyano di_oxalic_acid_imide diacetylene diarylamines diazo_acyl diazonium dicarbonimidic_diamide dicarbonyl_sulfonamide dicyano_vinyl diene_thione diketene_acetals diketone_1_2 dithiole_2_thione_1 dithiole_2_thione_2 double_michael_acceptor dye_1 dye_2 dyes_like_NN_doublebond element_P_count_2 element_S_count_2 elements_forbidden elements_penalized en_barbiturates enamine_aliphatic ene_five_het ene_five_membered_one ene_one_ene ene_one_halogen enol_ester enolether_enolester enyne epoxide_terminal ergot_alkoloid ester_count_3 ester_count_5 ether_bond_count_5 farnesyl_geranyl fatty_acid flavonoid fluorene_fmoc fluorescein fluoro_methyl_ketone four_nitriles furane_pyrrole_thiophene_count_2 fused_cyclopentene_quinolines glycoside_01 glycoside_02 glycoside_03 glycoside_04 glycoside_05 glycoside_06 glycoside_07 glycoside_08 glycoside_09 glycoside_10 glycoside_11 glycoside_12 glycoside_13 glycoside_14 glycoside_15 glycoside_16 glycoside_17 glycoside_18 glycoside_19 guanidines gylcerol_long_chain_ether halo_alkynes halo_ether halo_olefin_bis_EWG halo_phenoxy_ketone halogen_aliphatic_count_3 halogen_alkyl halogen_alkyl_count_2 halogen_aromatic_count_3 halogen_heteroatom_bond halogen_hypervalent halogen_vinyl halogenated_hetero_aromates hemiacetal hetero_imides heteroarylsulfides heterocycle_exo_double_bond_1 heterocycle_exo_double_bond_2 heterocycle_exo_double_bond_3 heterocycle_exo_double_bond_4 heterocycle_exo_double_bond_5 HOBT_ester hydantoin hydrazine hydrazine_1_2_diacyl_acyclic hydrazine_aldehyde hydrazine_ketone hydrazothiourea hydroquinone hydroxamic_acid hydroxy_methyl_amine hydroxyl_amine_ester hydroxyl_count_6 hypofluorous_sulfinic_anhydride_FOSO imidazol_2_halogenated imidic_anhydrides imine_nonterminal imine_terminal imine_halogenated imine_one_five_membered imine_one_isatin imine_one_six_membered indol_3yl_alkyl iso_flavonoid isocyanate isontrile isotope_C13 isotope_C14 isotope_I125 isotope_N15 isotope_N16 isotope_O17 isotope_O18 isotope_S35 isotope_T ketals _or_acetals ketene ketimines_acyclic keto_aldehyde_or_acetal keto_keto_beta labile_ester_2 lawessons_reagent_and_derivatives lipid_phospho_1 lipid_phospho_2 long_chain_aliphatic long_chain_flexible_C maleimides mannich_base_phenolic meldrums_acid_deriv methyl_group_count_aromatic_ring methylene_1_3_5_thiadiazines methylsulfanyl_thiopyranone michael acceptor_1 michael_acceptor_2 michael_acceptor_CH2_terminal michael_acceptor_double_act michael_acceptor_3 N_acyl_123_triazole N_acyl_134_triazole N_acyl_2_amino_5_mercapto_1_3_4_thiadiazole N_amido_tetrazole N_hydroxyl _pyridine N_hydroxyl_imide_ester N_mercapto_thioamide N_O_single_bond N_oxide_sp2 N_oxide_sp2_count_2 N_oxides NCCN_potential_chelating negativly_charged_sulfur nitrate nitrile_N_oxide nitro_count_1 nitro_count_2 nitro_count_3 nitroalkane nitrobenz_azadiazole nitrone nitroso_simple NP_SP_PP_single_bond_acyclic nucleoside_1 nucleoside_2 nucleoside_3 nucleoside_4 nucleoside_5 nucleoside_6 nucleoside_7 nucleoside_8 organo_phospho_cyanide ortho_di_cyano_aromate ortho_nitrophenyl_carbonyl o-tertbutylphenol oxalic_acid_diamide_count oxaziridine oxepine oxim oxim_ester oxobenzothiepine ozonide para_nitro_arylamines para_nitrophenyl_ester paranitrophenyl_esters peptide_analogue_01 peptide_analogue_02 peptide_analogue_03 peptide_analogue_04 peptide_analogue_05 peptide_analogue_06 peptide_analogue_07 peptide_analogue_08 peptide_analogue_09 peptide_analogue_10 perchlorates perchloro_cp perchloroquinone perhalo_phenyl permanent_positive_charge peroxide_endo peroxide_terminal phenalene phenanthren phenol_ester phenolic_OH_count_2 phenolic_OH_count_3 phenoxazines phenyl_DHP phosphazenes phospho_threonine phosphonamide_thiophosphonic_anhydride phosphor_not_PO3_PO4 phosphoramides phosphorus_phosphorus_bond PO3 _groups polycyclic_systems_14_atoms polycyclic_systems_16_atoms polycyclic_systems_18_atoms polyenes polyhalo_phenol_1 polyhalo_phenol_2 polyhalo_phenol_3 polyhalo_phenol_esters polyhalogenated_aromate porphyrin prostaglandine pyranone pyrimidinetriones pyrimido_triazine_dione pyrrole_1 pyrrole_2 pyrrolo_quinoxalin_amine quinolin_8_ol quinone_1_2 quinone_1_4 quinone_methide quinone_methide_1_2 quinone_methide_1_4 reactive_halo_pyrazine reactive_halo_pyrazine_2 reactive_halo_pyridazine reactive_halo_pyridine reactive_halo_pyrimidine reactive_halogen_on_carbon_with_heteroatom reactive_halogen_on_carbon_with_S retinoid rhodamine_sat rhodamine rhodanine ring_triple_bond S_N_double_bond_acyclic S_S_single_bond saponin_derivatives Si_N_bonds SO3_groups sp3_carbon_with_4_het_substit sphingosine ss_double_bond staurosporine steroid steroid_a_arom steroid_non_arom stilbene_analogs sulfanamine sulfanetriol sulfonic_acid_nitril sulfonyl_anhydride sulfonyl_count_2 sulfonyl_cyanides sulfonyl_fluoride sulfur_nitrogen_singleBond terminal_vinyl tert_butyl_count_3 tertiary_halide_sulfate tetraazinane thiadiazolones thiatetrazolidine thiazolidine_2_4_dione_5_met thiazolidinediones thiazolidines thio_ketone thiobenzothiazole_2 thiobenzothiazole_1 thiocarbamate thiocarbamate_5_ring thiocarbonate thiocyanate thioester_acyclic thioester_thiolactone thioether_count_2 thiol_count_2 thiomorpholinedione thionoester thioperoxide thiophene_hydroxy thiophene_simple thiophosphothionate thiosulfoxide thiourea_thioester_cyclic thiuram_disulfide_dithiocarbamate triacylamine triaryl_phosphine_oxide triazine_alkyl triazolol_esters tricarbonyls trichloromethyl_ketone triflates_aliphatic triflates_aromatic trifluoro_ethanol trifluoro_trichloro_acetic_aci trifluoroacetate_thioester trifluoromethyl_ketone trifluroacetate_amide triphenyl_Silyl trityl_group_simple tropone vinyl_carbonyl_EWG vinyl_sulphone xanthate

## SMARTS filters used to annotate and filter compounds for hit and lead finding

#### Filter: 1_1_di_cyano

Number of matches in PubChem v2018: 64553
Examples taken from PubChem v2018 matching the filter:

#### Filter: 1_3_diazetidine_2_one

Number of matches in PubChem v2018: 3414
Examples taken from PubChem v2018 matching the filter:

#### Filter: 2_2_dimethyl_4_5_dicarboxy_dithiole

Number of matches in PubChem v2018: 532
Examples taken from PubChem v2018 matching the filter:

#### Filter: 2_amino_3_carbonyl_2_thiopene

Number of matches in PubChem v2018: 31210
Examples taken from PubChem v2018 matching the filter:

#### Filter: 2_aminothiophene_3_carbaldehyde

Number of matches in PubChem v2018: 12176
Examples taken from PubChem v2018 matching the filter:

#### Filter: 2_hydroxy_phenyl_hydrazone

Number of matches in PubChem v2018: 100
Examples taken from PubChem v2018 matching the filter:

#### Filter: 2_nitro_furans_and_pyrroles

Number of matches in PubChem v2018: 40096
Examples taken from PubChem v2018 matching the filter:

#### Filter: 2_pyridyl_N_hydroxy_imide

Number of matches in PubChem v2018: 18
Examples taken from PubChem v2018 matching the filter:

#### Filter: 3_alpha_peptide_cycle

Number of matches in PubChem v2018: 188
Examples taken from PubChem v2018 matching the filter:

#### Filter: 3_consecutive_aliphatic_nitrogen

Number of matches in PubChem v2018: 11700
Examples taken from PubChem v2018 matching the filter:

#### Filter: 3_consecutive_aliphatic_nitrogen_subst

Number of matches in PubChem v2018: 64078
Examples taken from PubChem v2018 matching the filter:

#### Filter: 3_halo_pyridazine_2_EWG

Number of matches in PubChem v2018: 479
Examples taken from PubChem v2018 matching the filter:

#### Filter: 3_halo_pyridazine_4_EWG

Number of matches in PubChem v2018: 119
Examples taken from PubChem v2018 matching the filter:

#### Filter: 3_ring_unsaturated

Number of matches in PubChem v2018: 33166
Examples taken from PubChem v2018 matching the filter:

#### Filter: 3_ring_with_2_heteroatoms

Number of matches in PubChem v2018: 18554
Examples taken from PubChem v2018 matching the filter:

#### Filter: 4_hydroxy_phenyl_hydrazone

Number of matches in PubChem v2018: 95
Examples taken from PubChem v2018 matching the filter:

#### Filter: 5_ring_acyl

Number of matches in PubChem v2018: 40859
Examples taken from PubChem v2018 matching the filter:

#### Filter: 9_10_diphenyl_anthracene

Number of matches in PubChem v2018: 50931
Examples taken from PubChem v2018 matching the filter:

#### Filter: acetal_aminal_acyclic

Number of matches in PubChem v2018: 7775806
Examples taken from PubChem v2018 matching the filter:

#### Filter: acetal_aminal_cyclic

Number of matches in PubChem v2018: 1081391
Examples taken from PubChem v2018 matching the filter:

#### Filter: acetyl_urea

Number of matches in PubChem v2018: 231887
Examples taken from PubChem v2018 matching the filter:

#### Filter: acid_anhydride_acyclic

Number of matches in PubChem v2018: 70049
Examples taken from PubChem v2018 matching the filter:

#### Filter: acid_anhydride_cyclic

Number of matches in PubChem v2018: 36370
Examples taken from PubChem v2018 matching the filter:

#### Filter: acid_anhydrides_2

Number of matches in PubChem v2018: 35131
Examples taken from PubChem v2018 matching the filter:

#### Filter: acid_count_3

Number of matches in PubChem v2018: 105329
Examples taken from PubChem v2018 matching the filter:

#### Filter: activated_4membered_ring

Number of matches in PubChem v2018: 2761
Examples taken from PubChem v2018 matching the filter:

#### Filter: activated_S_or_O_in_3_ring

Number of matches in PubChem v2018: 45330
Examples taken from PubChem v2018 matching the filter:

#### Filter: acyclic_enolate

Number of matches in PubChem v2018: 699796
Examples taken from PubChem v2018 matching the filter:

#### Filter: acyclic_cyanohydrin

Number of matches in PubChem v2018: 62692
Examples taken from PubChem v2018 matching the filter:

#### Filter: acyclic_enolate

Number of matches in PubChem v2018: 25244
Examples taken from PubChem v2018 matching the filter:

#### Filter: acyclic_N-C-N

Number of matches in PubChem v2018: 202850
Examples taken from PubChem v2018 matching the filter:

#### Filter: acyclic_nitroamino

Number of matches in PubChem v2018: 54235
Examples taken from PubChem v2018 matching the filter:

#### Filter: acyl_cyanide

Number of matches in PubChem v2018: 5443
Examples taken from PubChem v2018 matching the filter:

#### Filter: adjacent_ring_double_bonds

Number of matches in PubChem v2018: 24752
Examples taken from PubChem v2018 matching the filter:

#### Filter: aldehyde_aliphatic

Number of matches in PubChem v2018: 319422
Examples taken from PubChem v2018 matching the filter:

#### Filter: aldehyde_aromatic

Number of matches in PubChem v2018: 545963
Examples taken from PubChem v2018 matching the filter:

#### Filter: aldimin_acyclic

Number of matches in PubChem v2018: 244121
Examples taken from PubChem v2018 matching the filter:

#### Filter: alkyl_chain_CH2_count_10

Number of matches in PubChem v2018: 7781
Examples taken from PubChem v2018 matching the filter:

#### Filter: allene

Number of matches in PubChem v2018: 56147
Examples taken from PubChem v2018 matching the filter:

#### Filter: allyl_terminal

Number of matches in PubChem v2018: 853747
Examples taken from PubChem v2018 matching the filter:

#### Filter: alpha_chloro_amides_esters_amidines

Number of matches in PubChem v2018: 27863
Examples taken from PubChem v2018 matching the filter:

#### Filter: alpha_cyano_acrylamides

Number of matches in PubChem v2018: 265308
Examples taken from PubChem v2018 matching the filter:

#### Filter: alpha_halo_amine

Number of matches in PubChem v2018: 51416
Examples taken from PubChem v2018 matching the filter:

#### Filter: alpha_halo_EWG

Number of matches in PubChem v2018: 8783
Examples taken from PubChem v2018 matching the filter:

#### Filter: alpha_halo_heteroatom

Number of matches in PubChem v2018: 116621
Examples taken from PubChem v2018 matching the filter:

#### Filter: alpha_peptide

Number of matches in PubChem v2018: 521704
Examples taken from PubChem v2018 matching the filter:

#### Filter: amide_acyclic_count_2

Number of matches in PubChem v2018: 3870405
Examples taken from PubChem v2018 matching the filter:

#### Filter: amidines

Number of matches in PubChem v2018: 1241677
Examples taken from PubChem v2018 matching the filter:

#### Filter: amino_acid

Number of matches in PubChem v2018: 300332
Examples taken from PubChem v2018 matching the filter:

#### Filter: amino_acridine

Number of matches in PubChem v2018: 11231
Examples taken from PubChem v2018 matching the filter:

#### Filter: amino_glycoside_streptamine

Number of matches in PubChem v2018: 6221
Examples taken from PubChem v2018 matching the filter:

#### Filter: amino_naphtalimide

Number of matches in PubChem v2018: 4972
Examples taken from PubChem v2018 matching the filter:

#### Filter: aminothiazol

Number of matches in PubChem v2018: 673041
Examples taken from PubChem v2018 matching the filter:

#### Filter: aminothiophene_dioxides

Number of matches in PubChem v2018: 96
Examples taken from PubChem v2018 matching the filter:

#### Filter: aniline_alkyl_ene

Number of matches in PubChem v2018: 31835
Examples taken from PubChem v2018 matching the filter:

#### Filter: aniline_no_alkyl

Number of matches in PubChem v2018: 114190
Examples taken from PubChem v2018 matching the filter:

#### Filter: ansa_aromatics

Number of matches in PubChem v2018: 3475
Examples taken from PubChem v2018 matching the filter:

#### Filter: anthracen

Number of matches in PubChem v2018: 148377
Examples taken from PubChem v2018 matching the filter:

#### Filter: anthracen_diels_alder_adduct

Number of matches in PubChem v2018: 31547
Examples taken from PubChem v2018 matching the filter:

#### Filter: anthranil_one

Number of matches in PubChem v2018: 35164
Examples taken from PubChem v2018 matching the filter:

#### Filter: anthrones

Number of matches in PubChem v2018: 1667
Examples taken from PubChem v2018 matching the filter:

#### Filter: aromatc_alkinyl_hetero_aromatic

Number of matches in PubChem v2018: 4625
Examples taken from PubChem v2018 matching the filter:

#### Filter: aromatic_ether_count_5

Number of matches in PubChem v2018: 146302
Examples taken from PubChem v2018 matching the filter:

#### Filter: aryl_sulfone_activated

Number of matches in PubChem v2018: 49182
Examples taken from PubChem v2018 matching the filter:

#### Filter: azanitrone

Number of matches in PubChem v2018: 1137
Examples taken from PubChem v2018 matching the filter:

#### Filter: azide

Number of matches in PubChem v2018: 149120
Examples taken from PubChem v2018 matching the filter:

#### Filter: azide_acylated

Number of matches in PubChem v2018: 4103
Examples taken from PubChem v2018 matching the filter:

#### Filter: aziridine_episulfide

Number of matches in PubChem v2018: 6423
Examples taken from PubChem v2018 matching the filter:

#### Filter: aziridine_like_N_in_3_membered_ring

Number of matches in PubChem v2018: 69240
Examples taken from PubChem v2018 matching the filter:

#### Filter: azocyanamides

Number of matches in PubChem v2018: 264
Examples taken from PubChem v2018 matching the filter:

#### Filter: basic_amine_count_4

Number of matches in PubChem v2018: 216889
Examples taken from PubChem v2018 matching the filter:

#### Filter: benzamidine

Number of matches in PubChem v2018: 147577
Examples taken from PubChem v2018 matching the filter:

#### Filter: benzhydrol

Number of matches in PubChem v2018: 102007
Examples taken from PubChem v2018 matching the filter:

#### Filter: benzisothiazolone

Number of matches in PubChem v2018: 19110
Examples taken from PubChem v2018 matching the filter:

#### Filter: benzofurazanes

Number of matches in PubChem v2018: 14492
Examples taken from PubChem v2018 matching the filter:

#### Filter: benzoisothiazolone

Number of matches in PubChem v2018: 4782
Examples taken from PubChem v2018 matching the filter:

#### Filter: benzothiazol_amine

Number of matches in PubChem v2018: 34
Examples taken from PubChem v2018 matching the filter:

#### Filter: beta_alpha_mixed_peptide_1

Number of matches in PubChem v2018: 18714
Examples taken from PubChem v2018 matching the filter:

#### Filter: beta_alpha_mixed_peptide_2

Number of matches in PubChem v2018: 39019
Examples taken from PubChem v2018 matching the filter:

#### Filter: beta_carbonyl_quaternary_nitrogen

Number of matches in PubChem v2018: 331327
Examples taken from PubChem v2018 matching the filter:

#### Filter: beta_lactame

Number of matches in PubChem v2018: 278457
Examples taken from PubChem v2018 matching the filter:

#### Filter: beta_lactone

Number of matches in PubChem v2018: 8926
Examples taken from PubChem v2018 matching the filter:

#### Filter: beta_peptide

Number of matches in PubChem v2018: 3575
Examples taken from PubChem v2018 matching the filter:

#### Filter: betalactam_EWG

Number of matches in PubChem v2018: 4741
Examples taken from PubChem v2018 matching the filter:

#### Filter: biotin

Number of matches in PubChem v2018: 16291
Examples taken from PubChem v2018 matching the filter:

#### Filter: bis_activated_aryl_ester

Number of matches in PubChem v2018: 2129
Examples taken from PubChem v2018 matching the filter:

#### Filter: bis_picolylamines

Number of matches in PubChem v2018: 30401
Examples taken from PubChem v2018 matching the filter:

#### Filter: bis_sulfonyl_amide

Number of matches in PubChem v2018: 11238
Examples taken from PubChem v2018 matching the filter:

#### Filter: boronic_acid

Number of matches in PubChem v2018: 169949
Examples taken from PubChem v2018 matching the filter:

#### Filter: branched_polycyclic_aromatic

Number of matches in PubChem v2018: 116661
Examples taken from PubChem v2018 matching the filter:

#### Filter: C_S_double_bond_count

Number of matches in PubChem v2018: 2017872
Examples taken from PubChem v2018 matching the filter:

#### Filter: C3_linker_simple_count_3

Number of matches in PubChem v2018: 14158
Examples taken from PubChem v2018 matching the filter:

#### Filter: carbanion

Number of matches in PubChem v2018: 205108
Examples taken from PubChem v2018 matching the filter:

#### Filter: carbodiimides

Number of matches in PubChem v2018: 5201
Examples taken from PubChem v2018 matching the filter:

#### Filter: carboxyclic_acid_halides

Number of matches in PubChem v2018: 93946
Examples taken from PubChem v2018 matching the filter:

#### Filter: carboxylic_acid_count_3

Number of matches in PubChem v2018: 144631
Examples taken from PubChem v2018 matching the filter:

#### Filter: catechole

Number of matches in PubChem v2018: 334028
Examples taken from PubChem v2018 matching the filter:

#### Filter: CF2_CF3_acetal

Number of matches in PubChem v2018: 3736
Examples taken from PubChem v2018 matching the filter:

#### Filter: CF2_CF3_count_3

Number of matches in PubChem v2018: 173747
Examples taken from PubChem v2018 matching the filter:

#### Filter: CF2_CF3_count_5

Number of matches in PubChem v2018: 62731
Examples taken from PubChem v2018 matching the filter:

#### Filter: CH_alkinyl_EWG

Number of matches in PubChem v2018: 8621
Examples taken from PubChem v2018 matching the filter:

#### Filter: CH_alkinyl_HetAr

Number of matches in PubChem v2018: 1218
Examples taken from PubChem v2018 matching the filter:

#### Filter: chelator_phenathrolin_like

Number of matches in PubChem v2018: 22710
Examples taken from PubChem v2018 matching the filter:

#### Filter: chlorates

Number of matches in PubChem v2018: 22200
Examples taken from PubChem v2018 matching the filter:

#### Filter: conjugated_alkenes

Number of matches in PubChem v2018: 498752
Examples taken from PubChem v2018 matching the filter:

#### Filter: conjugated_dithioether

Number of matches in PubChem v2018: 20999
Examples taken from PubChem v2018 matching the filter:

#### Filter: crown_ether

Number of matches in PubChem v2018: 60468
Examples taken from PubChem v2018 matching the filter:

#### Filter: cumarine

Number of matches in PubChem v2018: 278669
Examples taken from PubChem v2018 matching the filter:

#### Filter: Cyanamides

Number of matches in PubChem v2018: 71857
Examples taken from PubChem v2018 matching the filter:

#### Filter: cyanate

Number of matches in PubChem v2018: 48865
Examples taken from PubChem v2018 matching the filter:

#### Filter: cyanhydrine

Number of matches in PubChem v2018: 26302
Examples taken from PubChem v2018 matching the filter:

#### Filter: cyano_imine

Number of matches in PubChem v2018: 2991
Examples taken from PubChem v2018 matching the filter:

#### Filter: cyanopyridone_2

Number of matches in PubChem v2018: 3764
Examples taken from PubChem v2018 matching the filter:

#### Filter: cyanopyridone_1

Number of matches in PubChem v2018: 2389
Examples taken from PubChem v2018 matching the filter:

#### Filter: cyclobutene

Number of matches in PubChem v2018: 27578
Examples taken from PubChem v2018 matching the filter:

#### Filter: cycloheximide_derivatives

Number of matches in PubChem v2018: 64988
Examples taken from PubChem v2018 matching the filter:

#### Filter: cyclosporine

Number of matches in PubChem v2018: 4341
Examples taken from PubChem v2018 matching the filter:

#### Filter: cysteine hydroxamate

Number of matches in PubChem v2018: 39
Examples taken from PubChem v2018 matching the filter:

#### Filter: dhp_bis_amino_biscyano

Number of matches in PubChem v2018: 162
Examples taken from PubChem v2018 matching the filter:

#### Filter: di_oxalic_acid_imide

Number of matches in PubChem v2018: 160
Examples taken from PubChem v2018 matching the filter:

#### Filter: diacetylene

Number of matches in PubChem v2018: 29954
Examples taken from PubChem v2018 matching the filter:

#### Filter: diarylamines

Number of matches in PubChem v2018: 71893
Examples taken from PubChem v2018 matching the filter:

#### Filter: diazo_acyl

Number of matches in PubChem v2018: 11484
Examples taken from PubChem v2018 matching the filter:

#### Filter: diazonium

Number of matches in PubChem v2018: 50601
Examples taken from PubChem v2018 matching the filter:

#### Filter: dicarbonimidic_diamide

Number of matches in PubChem v2018: 69000
Examples taken from PubChem v2018 matching the filter:

#### Filter: dicarbonyl_sulfonamide

Number of matches in PubChem v2018: 1940
Examples taken from PubChem v2018 matching the filter:

#### Filter: dicyano_vinyl

Number of matches in PubChem v2018: 30383
Examples taken from PubChem v2018 matching the filter:

#### Filter: diene_thione

Number of matches in PubChem v2018: 23
Examples taken from PubChem v2018 matching the filter:

#### Filter: diketene_acetals

Number of matches in PubChem v2018: 25922
Examples taken from PubChem v2018 matching the filter:

#### Filter: diketone_1_2

Number of matches in PubChem v2018: 144356
Examples taken from PubChem v2018 matching the filter:

#### Filter: dithiole_2_thione_1

Number of matches in PubChem v2018: 12
Examples taken from PubChem v2018 matching the filter:

#### Filter: dithiole_2_thione_2

Number of matches in PubChem v2018: 5
Examples taken from PubChem v2018 matching the filter:

#### Filter: double_michael_acceptor

Number of matches in PubChem v2018: 5734
Examples taken from PubChem v2018 matching the filter:

#### Filter: dye_1

Number of matches in PubChem v2018: 14212
Examples taken from PubChem v2018 matching the filter:

#### Filter: dye_2

Number of matches in PubChem v2018: 13702
Examples taken from PubChem v2018 matching the filter:

#### Filter: dyes_like_NN_doublebond

Number of matches in PubChem v2018: 141081
Examples taken from PubChem v2018 matching the filter:

#### Filter: element_P_count_2

Number of matches in PubChem v2018: 269086
Examples taken from PubChem v2018 matching the filter:

#### Filter: element_S_count_2

Number of matches in PubChem v2018: 5293170
Examples taken from PubChem v2018 matching the filter:

#### Filter: elements_forbidden

Number of matches in PubChem v2018: 867738
Examples taken from PubChem v2018 matching the filter:

#### Filter: elements_penalized

Number of matches in PubChem v2018: 4136683
Examples taken from PubChem v2018 matching the filter:

#### Filter: en_barbiturates

Number of matches in PubChem v2018: 152190
Examples taken from PubChem v2018 matching the filter:

#### Filter: enamine_aliphatic

Number of matches in PubChem v2018: 120553
Examples taken from PubChem v2018 matching the filter:

#### Filter: ene_five_het

Number of matches in PubChem v2018: 67281
Examples taken from PubChem v2018 matching the filter:

#### Filter: ene_five_membered_one

Number of matches in PubChem v2018: 6279
Examples taken from PubChem v2018 matching the filter:

#### Filter: ene_one_ene

Number of matches in PubChem v2018: 12933
Examples taken from PubChem v2018 matching the filter:

#### Filter: ene_one_halogen

Number of matches in PubChem v2018: 74592
Examples taken from PubChem v2018 matching the filter:

#### Filter: enol_ester

Number of matches in PubChem v2018: 20589
Examples taken from PubChem v2018 matching the filter:

#### Filter: enolether_enolester

Number of matches in PubChem v2018: 889140
Examples taken from PubChem v2018 matching the filter:

#### Filter: enyne

Number of matches in PubChem v2018: 41210
Examples taken from PubChem v2018 matching the filter:

#### Filter: epoxide_terminal

Number of matches in PubChem v2018: 108780
Examples taken from PubChem v2018 matching the filter:

#### Filter: ergot_alkoloid

Number of matches in PubChem v2018: 10392
Examples taken from PubChem v2018 matching the filter:

#### Filter: ester_count_3

Number of matches in PubChem v2018: 421556
Examples taken from PubChem v2018 matching the filter:

#### Filter: ester_count_5

Number of matches in PubChem v2018: 66039
Examples taken from PubChem v2018 matching the filter:

#### Filter: ether_bond_count_5

Number of matches in PubChem v2018: 324556
Examples taken from PubChem v2018 matching the filter:

#### Filter: farnesyl_geranyl

Number of matches in PubChem v2018: 24113
Examples taken from PubChem v2018 matching the filter:

#### Filter: fatty_acid

Number of matches in PubChem v2018: 381157
Examples taken from PubChem v2018 matching the filter:

#### Filter: flavonoid

Number of matches in PubChem v2018: 68001
Examples taken from PubChem v2018 matching the filter:

#### Filter: fluorene_fmoc

Number of matches in PubChem v2018: 301533
Examples taken from PubChem v2018 matching the filter:

#### Filter: fluorescein

Number of matches in PubChem v2018: 18656
Examples taken from PubChem v2018 matching the filter:

#### Filter: fluoro_methyl_ketone

Number of matches in PubChem v2018: 4159
Examples taken from PubChem v2018 matching the filter:

#### Filter: four_nitriles

Number of matches in PubChem v2018: 20088
Examples taken from PubChem v2018 matching the filter:

#### Filter: furane_pyrrole_thiophene_count_2

Number of matches in PubChem v2018: 458764
Examples taken from PubChem v2018 matching the filter:

#### Filter: fused_cyclopentene_quinolines

Number of matches in PubChem v2018: 31835
Examples taken from PubChem v2018 matching the filter:

#### Filter: glycoside_01

Number of matches in PubChem v2018: 38502
Examples taken from PubChem v2018 matching the filter:

#### Filter: glycoside_02

Number of matches in PubChem v2018: 78760
Examples taken from PubChem v2018 matching the filter:

#### Filter: glycoside_03

Number of matches in PubChem v2018: 49645
Examples taken from PubChem v2018 matching the filter:

#### Filter: glycoside_04

Number of matches in PubChem v2018: 46643
Examples taken from PubChem v2018 matching the filter:

#### Filter: glycoside_05

Number of matches in PubChem v2018: 4176
Examples taken from PubChem v2018 matching the filter:

#### Filter: glycoside_06

Number of matches in PubChem v2018: 519
Examples taken from PubChem v2018 matching the filter:

#### Filter: glycoside_07

Number of matches in PubChem v2018: 649
Examples taken from PubChem v2018 matching the filter:

#### Filter: glycoside_08

Number of matches in PubChem v2018: 959
Examples taken from PubChem v2018 matching the filter:

#### Filter: glycoside_09

Number of matches in PubChem v2018: 520
Examples taken from PubChem v2018 matching the filter:

#### Filter: glycoside_10

Number of matches in PubChem v2018: 4760
Examples taken from PubChem v2018 matching the filter:

#### Filter: glycoside_11

Number of matches in PubChem v2018: 345
Examples taken from PubChem v2018 matching the filter:

#### Filter: glycoside_12

Number of matches in PubChem v2018: 317
Examples taken from PubChem v2018 matching the filter:

#### Filter: glycoside_13

Number of matches in PubChem v2018: 453
Examples taken from PubChem v2018 matching the filter:

#### Filter: glycoside_14

Number of matches in PubChem v2018: 76
Examples taken from PubChem v2018 matching the filter:

#### Filter: glycoside_15

Number of matches in PubChem v2018: 621
Examples taken from PubChem v2018 matching the filter:

#### Filter: glycoside_16

Number of matches in PubChem v2018: 313
Examples taken from PubChem v2018 matching the filter:

#### Filter: glycoside_17

Number of matches in PubChem v2018: 308
Examples taken from PubChem v2018 matching the filter:

#### Filter: glycoside_18

Number of matches in PubChem v2018: 34
Examples taken from PubChem v2018 matching the filter:

#### Filter: glycoside_19

Number of matches in PubChem v2018: 312
Examples taken from PubChem v2018 matching the filter:

#### Filter: guanidines

Number of matches in PubChem v2018: 2573522
Examples taken from PubChem v2018 matching the filter:

#### Filter: gylcerol_long_chain_ether

Number of matches in PubChem v2018: 12228
Examples taken from PubChem v2018 matching the filter:

#### Filter: halo_alkynes

Number of matches in PubChem v2018: 8984
Examples taken from PubChem v2018 matching the filter:

#### Filter: halo_ether

Number of matches in PubChem v2018: 592666
Examples taken from PubChem v2018 matching the filter:

#### Filter: halo_olefin_bis_EWG

Number of matches in PubChem v2018: 1385
Examples taken from PubChem v2018 matching the filter:

#### Filter: halo_phenoxy_ketone

Number of matches in PubChem v2018: 2348
Examples taken from PubChem v2018 matching the filter:

#### Filter: halogen_aliphatic_count_3

Number of matches in PubChem v2018: 99966
Examples taken from PubChem v2018 matching the filter:

#### Filter: halogen_alkyl

Number of matches in PubChem v2018: 2040384
Examples taken from PubChem v2018 matching the filter:

#### Filter: halogen_alkyl_count_2

Number of matches in PubChem v2018: 163539
Examples taken from PubChem v2018 matching the filter:

#### Filter: halogen_aromatic_count_3

Number of matches in PubChem v2018: 2111217
Examples taken from PubChem v2018 matching the filter:

#### Filter: halogen_heteroatom_bond

Number of matches in PubChem v2018: 315823
Examples taken from PubChem v2018 matching the filter:

#### Filter: halogen_hypervalent

Number of matches in PubChem v2018: 30182
Examples taken from PubChem v2018 matching the filter:

#### Filter: halogen_vinyl

Number of matches in PubChem v2018: 268584
Examples taken from PubChem v2018 matching the filter:

#### Filter: halogenated_hetero_aromates

Number of matches in PubChem v2018: 622380
Examples taken from PubChem v2018 matching the filter:

#### Filter: hemiacetal

Number of matches in PubChem v2018: 122827
Examples taken from PubChem v2018 matching the filter:

#### Filter: hetero_imides

Number of matches in PubChem v2018: 10129
Examples taken from PubChem v2018 matching the filter:

#### Filter: heteroarylsulfides

Number of matches in PubChem v2018: 713
Examples taken from PubChem v2018 matching the filter:

#### Filter: heterocycle_exo_double_bond_1

Number of matches in PubChem v2018: 109994
Examples taken from PubChem v2018 matching the filter:

#### Filter: heterocycle_exo_double_bond_2

Number of matches in PubChem v2018: 11960
Examples taken from PubChem v2018 matching the filter:

#### Filter: heterocycle_exo_double_bond_3

Number of matches in PubChem v2018: 6214
Examples taken from PubChem v2018 matching the filter:

#### Filter: heterocycle_exo_double_bond_4

Number of matches in PubChem v2018: 597
Examples taken from PubChem v2018 matching the filter:

#### Filter: heterocycle_exo_double_bond_5

Number of matches in PubChem v2018: 42441
Examples taken from PubChem v2018 matching the filter:

#### Filter: HOBT_ester

Number of matches in PubChem v2018: 1638
Examples taken from PubChem v2018 matching the filter:

#### Filter: hydantoin

Number of matches in PubChem v2018: 481712
Examples taken from PubChem v2018 matching the filter:

#### Filter: hydrazine

Number of matches in PubChem v2018: 4065977
Examples taken from PubChem v2018 matching the filter:

#### Filter: hydrazine_1_2_diacyl_acyclic

Number of matches in PubChem v2018: 277639
Examples taken from PubChem v2018 matching the filter:

#### Filter: hydrazine_aldehyde

Number of matches in PubChem v2018: 879645
Examples taken from PubChem v2018 matching the filter:

#### Filter: hydrazine_ketone

Number of matches in PubChem v2018: 492160
Examples taken from PubChem v2018 matching the filter:

#### Filter: hydrazothiourea

Number of matches in PubChem v2018: 1190
Examples taken from PubChem v2018 matching the filter:

#### Filter: hydroquinone

Number of matches in PubChem v2018: 189980
Examples taken from PubChem v2018 matching the filter:

#### Filter: hydroxamic_acid

Number of matches in PubChem v2018: 180705
Examples taken from PubChem v2018 matching the filter:

#### Filter: hydroxy_methyl_amine

Number of matches in PubChem v2018: 17522
Examples taken from PubChem v2018 matching the filter:

#### Filter: hydroxyl_amine_ester

Number of matches in PubChem v2018: 33762
Examples taken from PubChem v2018 matching the filter:

#### Filter: hydroxyl_count_6

Number of matches in PubChem v2018: 285118
Examples taken from PubChem v2018 matching the filter:

#### Filter: hypofluorous_sulfinic_anhydride_FOSO

Number of matches in PubChem v2018: 521
Examples taken from PubChem v2018 matching the filter:

#### Filter: imidazol_2_halogenated

Number of matches in PubChem v2018: 88510
Examples taken from PubChem v2018 matching the filter:

#### Filter: imidic_anhydrides

Number of matches in PubChem v2018: 119569
Examples taken from PubChem v2018 matching the filter:

#### Filter: imine_nonterminal

Number of matches in PubChem v2018: 90787
Examples taken from PubChem v2018 matching the filter:

#### Filter: imine_terminal

Number of matches in PubChem v2018: 34595
Examples taken from PubChem v2018 matching the filter:

#### Filter: imine_halogenated

Number of matches in PubChem v2018: 29861
Examples taken from PubChem v2018 matching the filter:

#### Filter: imine_one_five_membered

Number of matches in PubChem v2018: 11524
Examples taken from PubChem v2018 matching the filter:

#### Filter: imine_one_isatin

Number of matches in PubChem v2018: 26404
Examples taken from PubChem v2018 matching the filter:

#### Filter: imine_one_six_membered

Number of matches in PubChem v2018: 1019
Examples taken from PubChem v2018 matching the filter:

#### Filter: indol_3yl_alkyl

Number of matches in PubChem v2018: 220859
Examples taken from PubChem v2018 matching the filter:

#### Filter: iso_flavonoid

Number of matches in PubChem v2018: 26412
Examples taken from PubChem v2018 matching the filter:

#### Filter: isocyanate

Number of matches in PubChem v2018: 81961
Examples taken from PubChem v2018 matching the filter:

#### Filter: isontrile

Number of matches in PubChem v2018: 89187
Examples taken from PubChem v2018 matching the filter:

#### Filter: isotope_C13

Number of matches in PubChem v2018: 15008
Examples taken from PubChem v2018 matching the filter:

#### Filter: isotope_C14

Number of matches in PubChem v2018: 4767
Examples taken from PubChem v2018 matching the filter:

#### Filter: isotope_I125

Number of matches in PubChem v2018: 1388
Examples taken from PubChem v2018 matching the filter:

#### Filter: isotope_N15

Number of matches in PubChem v2018: 4758
Examples taken from PubChem v2018 matching the filter:

#### Filter: isotope_N16

Number of matches in PubChem v2018: 73
Examples taken from PubChem v2018 matching the filter:

#### Filter: isotope_O17

Number of matches in PubChem v2018: 228
Examples taken from PubChem v2018 matching the filter:

#### Filter: isotope_O18

Number of matches in PubChem v2018: 1174
Examples taken from PubChem v2018 matching the filter:

#### Filter: isotope_S35

Number of matches in PubChem v2018: 168
Examples taken from PubChem v2018 matching the filter:

#### Filter: isotope_T

Number of matches in PubChem v2018: 12693
Examples taken from PubChem v2018 matching the filter:

#### Filter: ketals _or_acetals

Number of matches in PubChem v2018: 358231
Examples taken from PubChem v2018 matching the filter:

#### Filter: ketene

Number of matches in PubChem v2018: 14076
Examples taken from PubChem v2018 matching the filter:

#### Filter: ketimines_acyclic

Number of matches in PubChem v2018: 194995
Examples taken from PubChem v2018 matching the filter:

#### Filter: keto_aldehyde_or_acetal

Number of matches in PubChem v2018: 9213
Examples taken from PubChem v2018 matching the filter:

#### Filter: keto_keto_beta

Number of matches in PubChem v2018: 18611
Examples taken from PubChem v2018 matching the filter:

#### Filter: labile_ester_2

Number of matches in PubChem v2018: 1213
Examples taken from PubChem v2018 matching the filter:

#### Filter: lawessons_reagent_and_derivatives

Number of matches in PubChem v2018: 1283
Examples taken from PubChem v2018 matching the filter:

#### Filter: lipid_phospho_1

Number of matches in PubChem v2018: 1054
Examples taken from PubChem v2018 matching the filter:

#### Filter: lipid_phospho_2

Number of matches in PubChem v2018: 25502
Examples taken from PubChem v2018 matching the filter:

#### Filter: long_chain_aliphatic

Number of matches in PubChem v2018: 1540427
Examples taken from PubChem v2018 matching the filter:

#### Filter: long_chain_flexible_C

Number of matches in PubChem v2018: 3609661
Examples taken from PubChem v2018 matching the filter:

#### Filter: maleimides

Number of matches in PubChem v2018: 31077
Examples taken from PubChem v2018 matching the filter:

#### Filter: mannich_base_phenolic

Number of matches in PubChem v2018: 10717
Examples taken from PubChem v2018 matching the filter:

#### Filter: meldrums_acid_deriv

Number of matches in PubChem v2018: 10009
Examples taken from PubChem v2018 matching the filter:

#### Filter: methyl_group_count_aromatic_ring

Number of matches in PubChem v2018: 46741
Examples taken from PubChem v2018 matching the filter:

#### Filter: methylene_1_3_5_thiadiazines

Number of matches in PubChem v2018: 2758
Examples taken from PubChem v2018 matching the filter:

#### Filter: methylsulfanyl_thiopyranone

Number of matches in PubChem v2018: 1130
Examples taken from PubChem v2018 matching the filter:

#### Filter: michael acceptor_1

Number of matches in PubChem v2018: 591533
Examples taken from PubChem v2018 matching the filter:

#### Filter: michael_acceptor_2

Number of matches in PubChem v2018: 670
Examples taken from PubChem v2018 matching the filter:

#### Filter: michael_acceptor_CH2_terminal

Number of matches in PubChem v2018: 379428
Examples taken from PubChem v2018 matching the filter:

#### Filter: michael_acceptor_double_act

Number of matches in PubChem v2018: 761453
Examples taken from PubChem v2018 matching the filter:

#### Filter: michael_acceptor_3

Number of matches in PubChem v2018: 12916
Examples taken from PubChem v2018 matching the filter:

#### Filter: N_acyl_123_triazole

Number of matches in PubChem v2018: 5010
Examples taken from PubChem v2018 matching the filter:

#### Filter: N_acyl_134_triazole

Number of matches in PubChem v2018: 1301
Examples taken from PubChem v2018 matching the filter:

#### Filter: N_acyl_2_amino_5_mercapto_1_3_4_thiadiazole

Number of matches in PubChem v2018: 74804
Examples taken from PubChem v2018 matching the filter:

#### Filter: N_amido_tetrazole

Number of matches in PubChem v2018: 2139
Examples taken from PubChem v2018 matching the filter:

#### Filter: N_hydroxyl _pyridine

Number of matches in PubChem v2018: 30703
Examples taken from PubChem v2018 matching the filter:

#### Filter: N_hydroxyl_imide_ester

Number of matches in PubChem v2018: 24453
Examples taken from PubChem v2018 matching the filter:

#### Filter: N_mercapto_thioamide

Number of matches in PubChem v2018: 9700
Examples taken from PubChem v2018 matching the filter:

#### Filter: N_O_single_bond

Number of matches in PubChem v2018: 441756
Examples taken from PubChem v2018 matching the filter:

#### Filter: N_oxide_sp2

Number of matches in PubChem v2018: 88624
Examples taken from PubChem v2018 matching the filter:

#### Filter: N_oxide_sp2_count_2

Number of matches in PubChem v2018: 2942
Examples taken from PubChem v2018 matching the filter:

#### Filter: N_oxides

Number of matches in PubChem v2018: 27465
Examples taken from PubChem v2018 matching the filter:

#### Filter: NCCN_potential_chelating

Number of matches in PubChem v2018: 268857
Examples taken from PubChem v2018 matching the filter:

#### Filter: negativly_charged_sulfur

Number of matches in PubChem v2018: 34129
Examples taken from PubChem v2018 matching the filter:

#### Filter: nitrate

Number of matches in PubChem v2018: 38192
Examples taken from PubChem v2018 matching the filter:

#### Filter: nitrile_N_oxide

Number of matches in PubChem v2018: 597
Examples taken from PubChem v2018 matching the filter:

#### Filter: nitro_count_1

Number of matches in PubChem v2018: 3694034
Examples taken from PubChem v2018 matching the filter:

#### Filter: nitro_count_2

Number of matches in PubChem v2018: 202452
Examples taken from PubChem v2018 matching the filter:

#### Filter: nitro_count_3

Number of matches in PubChem v2018: 23036
Examples taken from PubChem v2018 matching the filter:

#### Filter: nitroalkane

Number of matches in PubChem v2018: 165123
Examples taken from PubChem v2018 matching the filter:

#### Filter: nitrobenz_azadiazole

Number of matches in PubChem v2018: 6071
Examples taken from PubChem v2018 matching the filter:

#### Filter: nitrone

Number of matches in PubChem v2018: 20510
Examples taken from PubChem v2018 matching the filter:

#### Filter: nitroso_simple

Number of matches in PubChem v2018: 111445
Examples taken from PubChem v2018 matching the filter:

#### Filter: NP_SP_PP_single_bond_acyclic

Number of matches in PubChem v2018: 212462
Examples taken from PubChem v2018 matching the filter:

#### Filter: nucleoside_1

Number of matches in PubChem v2018: 104546
Examples taken from PubChem v2018 matching the filter:

#### Filter: nucleoside_2

Number of matches in PubChem v2018: 76142
Examples taken from PubChem v2018 matching the filter:

#### Filter: nucleoside_3

Number of matches in PubChem v2018: 995
Examples taken from PubChem v2018 matching the filter:

#### Filter: nucleoside_4

Number of matches in PubChem v2018: 1231
Examples taken from PubChem v2018 matching the filter:

#### Filter: nucleoside_5

Number of matches in PubChem v2018: 282
Examples taken from PubChem v2018 matching the filter:

#### Filter: nucleoside_6

Number of matches in PubChem v2018: 234
Examples taken from PubChem v2018 matching the filter:

#### Filter: nucleoside_7

Number of matches in PubChem v2018: 1251
Examples taken from PubChem v2018 matching the filter:

#### Filter: nucleoside_8

Number of matches in PubChem v2018: 272
Examples taken from PubChem v2018 matching the filter:

#### Filter: organo_phospho_cyanide

Number of matches in PubChem v2018: 310
Examples taken from PubChem v2018 matching the filter:

#### Filter: ortho_di_cyano_aromate

Number of matches in PubChem v2018: 22027
Examples taken from PubChem v2018 matching the filter:

#### Filter: ortho_nitrophenyl_carbonyl

Number of matches in PubChem v2018: 7714
Examples taken from PubChem v2018 matching the filter:

#### Filter: o-tertbutylphenol

Number of matches in PubChem v2018: 26730
Examples taken from PubChem v2018 matching the filter:

#### Filter: oxalic_acid_diamide_count

Number of matches in PubChem v2018: 248162
Examples taken from PubChem v2018 matching the filter:

#### Filter: oxaziridine

Number of matches in PubChem v2018: 3209
Examples taken from PubChem v2018 matching the filter:

#### Filter: oxepine

Number of matches in PubChem v2018: 216
Examples taken from PubChem v2018 matching the filter:

#### Filter: oxim

Number of matches in PubChem v2018: 364426
Examples taken from PubChem v2018 matching the filter:

#### Filter: oxim_ester

Number of matches in PubChem v2018: 50095
Examples taken from PubChem v2018 matching the filter:

#### Filter: oxobenzothiepine

Number of matches in PubChem v2018: 6
Examples taken from PubChem v2018 matching the filter:

#### Filter: ozonide

Number of matches in PubChem v2018: 2640
Examples taken from PubChem v2018 matching the filter:

#### Filter: para_nitro_arylamines

Number of matches in PubChem v2018: 377358
Examples taken from PubChem v2018 matching the filter:

#### Filter: para_nitrophenyl_ester

Number of matches in PubChem v2018: 12715
Examples taken from PubChem v2018 matching the filter:

#### Filter: paranitrophenyl_esters

Number of matches in PubChem v2018: 16941
Examples taken from PubChem v2018 matching the filter:

#### Filter: peptide_analogue_01

Number of matches in PubChem v2018: 14996
Examples taken from PubChem v2018 matching the filter:

#### Filter: peptide_analogue_02

Number of matches in PubChem v2018: 2169
Examples taken from PubChem v2018 matching the filter:

#### Filter: peptide_analogue_03

Number of matches in PubChem v2018: 527
Examples taken from PubChem v2018 matching the filter:

#### Filter: peptide_analogue_04

Number of matches in PubChem v2018: 488
Examples taken from PubChem v2018 matching the filter:

#### Filter: peptide_analogue_05

Number of matches in PubChem v2018: 6527
Examples taken from PubChem v2018 matching the filter:

#### Filter: peptide_analogue_06

Number of matches in PubChem v2018: 375
Examples taken from PubChem v2018 matching the filter:

#### Filter: peptide_analogue_07

Number of matches in PubChem v2018: 482
Examples taken from PubChem v2018 matching the filter:

#### Filter: peptide_analogue_08

Number of matches in PubChem v2018: 3126
Examples taken from PubChem v2018 matching the filter:

#### Filter: peptide_analogue_09

Number of matches in PubChem v2018: 386
Examples taken from PubChem v2018 matching the filter:

#### Filter: peptide_analogue_10

Number of matches in PubChem v2018: 239
Examples taken from PubChem v2018 matching the filter:

#### Filter: perchlorates

Number of matches in PubChem v2018: 15638
Examples taken from PubChem v2018 matching the filter:

#### Filter: perchloro_cp

Number of matches in PubChem v2018: 4377
Examples taken from PubChem v2018 matching the filter:

#### Filter: perchloroquinone

Number of matches in PubChem v2018: 48
Examples taken from PubChem v2018 matching the filter:

#### Filter: perhalo_phenyl

Number of matches in PubChem v2018: 70091
Examples taken from PubChem v2018 matching the filter:

#### Filter: permanent_positive_charge

Number of matches in PubChem v2018: 1373115
Examples taken from PubChem v2018 matching the filter:

#### Filter: peroxide_endo

Number of matches in PubChem v2018: 121348
Examples taken from PubChem v2018 matching the filter:

#### Filter: peroxide_terminal

Number of matches in PubChem v2018: 52125
Examples taken from PubChem v2018 matching the filter:

#### Filter: phenalene

Number of matches in PubChem v2018: 113531
Examples taken from PubChem v2018 matching the filter:

#### Filter: phenanthren

Number of matches in PubChem v2018: 177907
Examples taken from PubChem v2018 matching the filter:

#### Filter: phenol_ester

Number of matches in PubChem v2018: 682276
Examples taken from PubChem v2018 matching the filter:

#### Filter: phenolic_OH_count_2

Number of matches in PubChem v2018: 518262
Examples taken from PubChem v2018 matching the filter:

#### Filter: phenolic_OH_count_3

Number of matches in PubChem v2018: 128503
Examples taken from PubChem v2018 matching the filter:

#### Filter: phenoxazines

Number of matches in PubChem v2018: 7046
Examples taken from PubChem v2018 matching the filter:

#### Filter: phenyl_DHP

Number of matches in PubChem v2018: 104549
Examples taken from PubChem v2018 matching the filter:

#### Filter: phosphazenes

Number of matches in PubChem v2018: 4505
Examples taken from PubChem v2018 matching the filter:

#### Filter: phospho_threonine

Number of matches in PubChem v2018: 319
Examples taken from PubChem v2018 matching the filter:

#### Filter: phosphonamide_thiophosphonic_anhydride

Number of matches in PubChem v2018: 39979
Examples taken from PubChem v2018 matching the filter:
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