Chembase list of 866358 unique molecular structures

$$$$ Data More

M. F.

C11H11NO2

Suppliers	Catalog Number
Sigma Aldrich	E32800
MP Biomedicals	02151322 05204244
Alfa Aesar	L00797

Database	Data ID
PubChem	73125

M. W.

189.21054

CAS

3770-50-1

Similarity

N/A

ID: 36102

methyl 5-chloro-1-methyl-1H-indole-2-carboxylate

$$$$ Data

M. F.

C11H10ClNO2

Suppliers	Catalog Number
Matrix Scientific	038879

Database	Data ID
PubChem	4777715

M. W.

223.6556

CAS

Similarity

N/A

ID: 36103

1H-indole-2-carboxamide

$$$$ Data

M. F.

C9H8N2O

Suppliers	Catalog Number
Matrix Scientific	038880
Key Organics	4P-033

Database	Data ID
PubChem	594832

M. W.

160.17262

CAS

1670-84-4

Similarity

N/A

ID: 36104

2-benzoyl-1H-indole-3-carboxylic acid

$$$$ Data

M. F.

C16H11NO3

Suppliers	Catalog Number
Matrix Scientific	038881
InterBioScreen	BB_SC-0131

Database	Data ID
PubChem	948631

M. W.

265.26344

CAS

Similarity

N/A

ID: 36105

3-[(4-aminophenyl)sulfanyl]-1-(2,6-dichlorophenyl)pyrrolidine-2,5-dione

$$$$ Data

M. F.

C16H12Cl2N2O2S

Suppliers	Catalog Number
Matrix Scientific	038882

Database	Data ID
PubChem	19058902

M. W.

367.24968

CAS

Similarity

N/A

ID: 36106

methyl 4-{3-[(4-aminophenyl)sulfanyl]-2,5-dioxopyrrolidin-1-yl}benzoate

$$$$ Data

M. F.

C18H16N2O4S

Suppliers	Catalog Number
Matrix Scientific	038883

Database	Data ID
PubChem	20407419

M. W.

356.39564

CAS

Similarity

N/A

ID: 36107

3-[(4-aminophenyl)sulfanyl]-1-(5-methyl-1,2-oxazol-3-yl)pyrrolidine-2,5-dione

$$$$ Data

M. F.

C14H13N3O3S

Suppliers	Catalog Number
Matrix Scientific	038884

Database	Data ID
PubChem	19059024

M. W.

303.33632

CAS

Similarity

N/A

ID: 36108

3-[(4-aminophenyl)sulfanyl]-1-[4-(5-methyl-1,3-benzothiazol-2-yl)phenyl]pyrrolid...

$$$$ Data

M. F.

C24H19N3O2S2

Suppliers	Catalog Number
Matrix Scientific	038886

Database	Data ID
PubChem	25219885

M. W.

445.55656

CAS

Similarity

N/A

ID: 36109

N-(4-acetylphenyl)-2-[(4-aminophenyl)sulfanyl]propanamide

$$$$ Data

M. F.

C17H18N2O2S

Suppliers	Catalog Number
Matrix Scientific	038887

Database	Data ID
PubChem	20181915

M. W.

314.40202

CAS

Similarity

N/A

ID: 36110

2-[(4-aminophenyl)sulfanyl]-N-(5-chloro-2-methoxyphenyl)propanamide

$$$$ Data

M. F.

C16H17ClN2O2S

Suppliers	Catalog Number
Matrix Scientific	038888

Database	Data ID
PubChem	20182388

M. W.

336.83638

CAS

Similarity

N/A

ID: 36111

2-[(4-aminophenyl)sulfanyl]-1-(2,3-dihydro-1H-indol-1-yl)propan-1-one

$$$$ Data

M. F.

C17H18N2OS

Suppliers	Catalog Number
Matrix Scientific	038889

Database	Data ID
PubChem	19059110

M. W.

298.40262

CAS

Similarity

N/A

ID: 36112

2-[(4-aminophenyl)sulfanyl]-N-(4-methylphenyl)propanamide

$$$$ Data

M. F.

C16H18N2OS

Suppliers	Catalog Number
Matrix Scientific	038890

Database	Data ID
PubChem	20181622

M. W.

286.39192

CAS

Similarity

N/A

ID: 36113

2-[(4-aminophenyl)sulfanyl]-N-(3-chloro-4-methoxyphenyl)propanamide

$$$$ Data

M. F.

C16H17ClN2O2S

Suppliers	Catalog Number
Matrix Scientific	038891

Database	Data ID
PubChem	20182385

M. W.

336.83638

CAS

Similarity

N/A

ID: 36114

2-[(4-aminophenyl)sulfanyl]-N-(5-methyl-1,2-oxazol-3-yl)propanamide

$$$$ Data

M. F.

C13H15N3O2S

Suppliers	Catalog Number
Matrix Scientific	038892

Database	Data ID
PubChem	20098530

M. W.

277.3421

CAS

Similarity

N/A

ID: 36115

2-[(4-aminophenyl)sulfanyl]-N-(2H-1,3-benzodioxol-5-ylmethyl)propanamide

$$$$ Data

M. F.

C17H18N2O3S

Suppliers	Catalog Number
Matrix Scientific	038893

Database	Data ID
PubChem	20182233

M. W.

330.40142

CAS

Similarity

N/A

ID: 36116

2-[(4-aminophenyl)sulfanyl]-N-(3-chlorophenyl)propanamide

$$$$ Data

M. F.

C15H15ClN2OS

Suppliers	Catalog Number
Matrix Scientific	038894

Database	Data ID
PubChem	20181844

M. W.

306.8104

CAS

Similarity

N/A

ID: 36117

2-[(4-aminophenyl)sulfanyl]-N-(2,5-dichlorophenyl)propanamide

$$$$ Data

M. F.

C15H14Cl2N2OS

Suppliers	Catalog Number
Matrix Scientific	038895

Database	Data ID
PubChem	20182489

M. W.

341.25546

CAS

Similarity

N/A

ID: 36118

2-[(4-aminophenyl)sulfanyl]-N-(4-sulfamoylphenyl)propanamide

$$$$ Data

M. F.

C15H17N3O3S2

Suppliers	Catalog Number
Matrix Scientific	038896

Database	Data ID
PubChem	20182797

M. W.

351.44378

CAS

Similarity

N/A

ID: 36119

2-[(4-aminophenyl)sulfanyl]-N-(2,4-dimethylphenyl)propanamide

$$$$ Data

M. F.

C17H20N2OS

Suppliers	Catalog Number
Matrix Scientific	038897

Database	Data ID
PubChem	20181756

M. W.

300.4185

CAS

Similarity

N/A

ID: 36120

2-[(4-aminophenyl)sulfanyl]-N-(quinolin-3-yl)propanamide

$$$$ Data

M. F.

C18H17N3OS

Suppliers	Catalog Number
Matrix Scientific	038898

Database	Data ID
PubChem	19059113

M. W.

323.41208

CAS

Similarity

N/A

ID: 36121

2-[(4-aminophenyl)sulfanyl]-N-(4-acetamidophenyl)propanamide

$$$$ Data

M. F.

C17H19N3O2S

Suppliers	Catalog Number
Matrix Scientific	038899

Database	Data ID
PubChem	20182217

M. W.

329.41666

CAS

Similarity

N/A

ID: 36122

2-[(4-aminophenyl)sulfanyl]-N-(2,5-dimethylphenyl)propanamide

$$$$ Data

M. F.

C17H20N2OS

Suppliers	Catalog Number
Matrix Scientific	038900

Database	Data ID
PubChem	20181759

M. W.

300.4185

CAS

Similarity

N/A

ID: 36123

2-[(4-aminophenyl)sulfanyl]-N-(3-methylphenyl)propanamide

$$$$ Data

M. F.

C16H18N2OS

Suppliers	Catalog Number
Matrix Scientific	038901

Database	Data ID
PubChem	20181618

M. W.

286.39192

CAS

Similarity

N/A

ID: 36124

2-[(4-aminophenyl)sulfanyl]-N-(3,5-dichlorophenyl)propanamide

$$$$ Data

M. F.

C15H14Cl2N2OS

Suppliers	Catalog Number
Matrix Scientific	038902

Database	Data ID
PubChem	20182493

M. W.

341.25546

CAS

Similarity

N/A

ID: 36125

2-[(4-aminophenyl)sulfanyl]-1-(2-methyl-2,3-dihydro-1H-indol-1-yl)propan-1-one

$$$$ Data

M. F.

C18H20N2OS

Suppliers	Catalog Number
Matrix Scientific	038903

Database	Data ID
PubChem	19059114

M. W.

312.4292

CAS

Similarity

N/A

ID: 36126

3-[(4-aminophenyl)sulfanyl]-1-{4-[(E)-2-phenyldiazen-1-yl]phenyl}pyrrolidine-2,5...

$$$$ Data

M. F.

C22H18N4O2S

Suppliers	Catalog Number
Matrix Scientific	038904

Database	Data ID
PubChem	19631153

M. W.

402.46892

CAS

Similarity

N/A

ID: 36127

2-[(4-aminophenyl)sulfanyl]-N-(2-bromophenyl)propanamide

$$$$ Data

M. F.

C15H15BrN2OS

Suppliers	Catalog Number
Matrix Scientific	038905

Database	Data ID
PubChem	20182769

M. W.

351.2614

CAS

Similarity

N/A

ID: 36128

2-[(4-aminophenyl)sulfanyl]-N-(2-ethyl-6-methylphenyl)propanamide

$$$$ Data

M. F.

C18H22N2OS

Suppliers	Catalog Number
Matrix Scientific	038906

Database	Data ID
PubChem	20181920

M. W.

314.44508

CAS

Similarity

N/A

ID: 36129

2-[(4-aminophenyl)sulfanyl]-N-(4-nitrophenyl)propanamide

$$$$ Data

M. F.

C15H15N3O3S

Suppliers	Catalog Number
Matrix Scientific	038907

Database	Data ID
PubChem	20181986

M. W.

317.3629

CAS

Similarity

N/A

ID: 36130

2-[(4-aminophenyl)sulfanyl]-N-(2,3,5,6-tetrafluorophenyl)propanamide

$$$$ Data

M. F.

C15H12F4N2OS

Suppliers	Catalog Number
Matrix Scientific	038908

Database	Data ID
PubChem	20182581

M. W.

344.3271928

CAS

Similarity

N/A

ID: 36131

2-[(4-aminophenyl)sulfanyl]-N-benzylacetamide

$$$$ Data

M. F.

C15H16N2OS

Suppliers	Catalog Number
Matrix Scientific	038909

Database	Data ID
PubChem	4465077

M. W.

272.36534

CAS

Similarity

N/A

ID: 36132

3-[(4-aminophenyl)sulfanyl]-N-(5-methyl-1,3,4-thiadiazol-2-yl)propanamide

$$$$ Data

M. F.

C12H14N4OS2

Suppliers	Catalog Number
Matrix Scientific	038910

Database	Data ID
PubChem	19059118

M. W.

294.39576

CAS

Similarity

N/A

ID: 36133

3-[(4-aminophenyl)sulfanyl]-N-(5-methyl-1,2-oxazol-3-yl)propanamide

$$$$ Data

M. F.

C13H15N3O2S

Suppliers	Catalog Number
Matrix Scientific	038911

Database	Data ID
PubChem	19059119

M. W.

277.3421

CAS

Similarity

N/A

ID: 36134

2-[(4-aminophenyl)sulfanyl]-1-[4-(2-fluorophenyl)piperazin-1-yl]propan-1-one

$$$$ Data

M. F.

C19H22FN3OS

Suppliers	Catalog Number
Matrix Scientific	038912

Database	Data ID
PubChem	20407567

M. W.

359.4608832

CAS

Similarity

N/A

ID: 36135

2-[(4-aminophenyl)sulfanyl]-N-[5-(ethylsulfanyl)-1,3,4-thiadiazol-2-yl]propanami...

$$$$ Data

M. F.

C13H16N4OS3

Suppliers	Catalog Number
Matrix Scientific	038913

Database	Data ID
PubChem	19059120

M. W.

340.48734

CAS

Similarity

N/A

ID: 36136

2-[(4-aminophenyl)sulfanyl]-N,N-diphenylacetamide

$$$$ Data

M. F.

C20H18N2OS

Suppliers	Catalog Number
Matrix Scientific	038915

Database	Data ID
PubChem	20182324

M. W.

334.43472

CAS

Similarity

N/A

ID: 36137

2-[(4-aminophenyl)sulfanyl]-N-(4-chloro-2-methoxy-5-methylphenyl)acetamide

$$$$ Data

M. F.

C16H17ClN2O2S

Suppliers	Catalog Number
Matrix Scientific	038916

Database	Data ID
PubChem	20182386

M. W.

336.83638

CAS

Similarity

N/A

ID: 36138

2-[(4-aminophenyl)sulfanyl]-N-(2-methyl-5-nitrophenyl)acetamide

$$$$ Data

M. F.

C15H15N3O3S

Suppliers	Catalog Number
Matrix Scientific	038917

Database	Data ID
PubChem	20181983

M. W.

317.3629

CAS

Similarity

N/A

ID: 36139

2-{2-[(4-aminophenyl)sulfanyl]acetamido}benzamide

$$$$ Data

M. F.

C15H15N3O2S

Suppliers	Catalog Number
Matrix Scientific	038919

Database	Data ID
PubChem	20181776

M. W.

301.3635

CAS

Similarity

N/A

ID: 36140

2-[(4-aminophenyl)sulfanyl]-N-[4-(2,4-dichlorophenyl)-1,3-thiazol-2-yl]acetamide

$$$$ Data

M. F.

C17H13Cl2N3OS2

Suppliers	Catalog Number
Matrix Scientific	038920

Database	Data ID
PubChem	22775581

M. W.

410.34062

CAS

Similarity

N/A

ID: 36141

2-[(4-aminophenyl)sulfanyl]-N-[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]acetamide

$$$$ Data

M. F.

C18H17N3O2S2

Suppliers	Catalog Number
Matrix Scientific	038921

Database	Data ID
PubChem	20408103

M. W.

371.47648

CAS

Similarity

N/A

ID: 36142

2-[(4-aminophenyl)sulfanyl]-N-[4-(ethanesulfonyl)phenyl]propanamide

$$$$ Data

M. F.

C17H19N3O4S2

Suppliers	Catalog Number
Matrix Scientific	038922

Database	Data ID
PubChem	19059134

M. W.

393.48046

CAS

Similarity

N/A

ID: 36143

2-[(4-aminophenyl)sulfanyl]-N-[3-(trifluoromethyl)phenyl]propanamide

$$$$ Data

M. F.

C16H15F3N2OS

Suppliers	Catalog Number
Matrix Scientific	038923

Database	Data ID
PubChem	20182458

M. W.

340.3633096

CAS

Similarity

N/A

ID: 36144

2-[(4-aminophenyl)sulfanyl]-N-(4-methoxyphenyl)butanamide

$$$$ Data

M. F.

C17H20N2O2S

Suppliers	Catalog Number
Matrix Scientific	038924

Database	Data ID
PubChem	20181972

M. W.

316.4179

CAS

Similarity

N/A

ID: 36145

2-[(4-aminophenyl)sulfanyl]-N-[5-(ethylsulfanyl)thiophen-2-yl]acetamide

$$$$ Data

M. F.

C14H16N2OS3

Suppliers	Catalog Number
Matrix Scientific	038925

Database	Data ID
PubChem	19059221

M. W.

324.48464

CAS

Similarity

N/A

ID: 36146

butyl 4-{2-[(4-aminophenyl)sulfanyl]acetamido}benzoate

$$$$ Data

M. F.

C19H22N2O3S

Suppliers	Catalog Number
Matrix Scientific	038926

Database	Data ID
PubChem	20407529

M. W.

358.45458

CAS

Similarity

N/A

ID: 36147

1H-pyrrolo[2,3-b]pyridine-3-carbaldehyde

$$$$ Data More

M. F.

C8H6N2O

Suppliers	Catalog Number
Sigma Aldrich	694681
Matrix Scientific	038928
Key Organics	BC-0825

Database	Data ID
PubChem	5372812

M. W.

146.14604

CAS

4649-09-6

Similarity

N/A

ID: 36148

2-{1-[(pyridin-3-ylmethyl)amino]ethyl}aniline

$$$$ Data

M. F.

C14H17N3

Suppliers	Catalog Number
Matrix Scientific	038930

Database	Data ID
PubChem	25219886

M. W.

227.30488

CAS

Similarity

N/A

ID: 36149

N-(1H-pyrrol-2-ylmethyl)cyclopropanamine

$$$$ Data

M. F.

C8H12N2

Suppliers	Catalog Number
Matrix Scientific	038931

Database	Data ID
PubChem	25219887

M. W.

136.19428

CAS

Similarity

N/A

ID: 36150

(pyridin-3-ylmethyl)(1H-pyrrol-2-ylmethyl)amine

$$$$ Data

M. F.

C11H13N3

Suppliers	Catalog Number
Matrix Scientific	038932

Database	Data ID
PubChem	25219888

M. W.

187.24102

CAS

Similarity

N/A

Part I: Carbon
- I.1: Carbon-Carbon Bonds
- I.1.1 Alkanes
- Primary carbon
- Secondary carbon
- Tertiary carbon
- Quaternary carbon
- I.1.2 C-C double and Triple Bonds
- Alkene
- Alkyne
- Allene
- I.2: One Carbon-Hetero Bond
- I.2.1 Alkyl Halogenides
- Alkylchloride
- Alkylfluoride
- Alkylbromide
- Alkyliodide
- I.2.2 Alcohols and Ethers
- Alcohol
- Primary alcohol
- Secondary alcohol
- Tertiary alcohol
- Dialkylether
- Dialkylthioether
- Alkylarylether
- Diarylether
- Alkylarylthioether
- Diarylthioether
- Oxonium
- I.2.3 Amines
- Amine
- Primary aliphatic amine
- Secondary aliphatic amine
- Tertiary aliphatic amine
- Quaternary aliphatic ammonium
- Primary aromatic amine
- Secondary aromatic amine
- Tertiary aromatic amine
- Quaternary aromatic ammonium
- Secondary mixed amine
- Tertiary mixed amine
- Quaternary mixed ammonium
- Ammonium
- I.2.4 Others
- Alkylthiol
- Dialkylthioether
- Alkylarylthioether
- Disulfide
- 1,2-Aminoalcohol
- 1,2-Diol
- 1,1-Diol
- Hydroperoxide
- Peroxo
- Organolithium compounds
- Organomagnesium compounds
- Organometallic compounds
- I.3: Two Carbon-Hetero Bonds (Carbonyl and Derivatives)
- I.3.1 Double Bond to Hetero
- Aldehyde
- Ketone
- Thioaldehyde
- Thioketone
- Imine
- Immonium
- Oxime
- Oximether
- I.3.2. Two Single Bonds to Hetero
- Acetal
- Hemiacetal
- Aminal
- Hemiaminal
- Thioacetal
- Thiohemiacetal
- Halogen acetal like
- Acetal like
- Halogenmethylen ester and similar
- NOS methylen ester and similar
- Hetero methylen ester and similar
- Cyanhydrine
- I.3.3 Single Bond to Hetero, C=C Double Bond (Enols and Similar)
- Chloroalkene
- Fluoroalkene
- Bromoalkene
- Iodoalkene
- Enol
- Endiol
- Enolether
- Enolester
- Enamine
- Thioenol
- Thioenolether
- I.4: Three Carbon-Hetero Bonds (Carboxyl and Derivatives)
- Acylchloride
- Acylfluoride
- Acylbromide
- Acyliodide
- Acylhalide
- Carboxylic acid
- Carboxylic ester
- Lactone
- Carboxylic anhydride
- Carboxylic acid derivative
- Carbothioic acid
- Carbothioic S ester
- Carbothioic S lactone
- Carbothioic O ester
- Carbothioic O lactone
- Carbothioic halide
- Carbodithioic acid
- Carbodithioic ester
- Carbodithiolactone
- Amide
- Primary amide
- Secondary amide
- Tertiary amide
- Lactam
- Alkyl imide
- N hetero imide
- Imide acidic
- Thioamide
- Thiolactam
- Oximester
- Amidine
- Hydroxamic acid
- Hydroxamic acid ester
- Imidoacid
- Imidoacid cyclic
- Imidoester
- Imidolactone
- Imidothioacid
- Imidothioacid cyclic
- Imidothioester
- Imidothiolactone
- Amidine
- Imidolactam
- Imidoylhalide
- Imidoylhalide cyclic
- Amidrazone
- Alpha aminoacid
- Alpha hydroxyacid
- Peptide middle
- Peptide C term
- Peptide N term
- Carboxylic orthoester
- Ketene
- Ketenacetal
- Nitrile
- Isonitrile
- Vinylogous carbonyl or carboxyl derivative
- Vinylogous acid
- Vinylogous ester
- Vinylogous amide
- Vinylogous halide
- I.5: Four Carbon-Hetero Bonds (Carbonic Acid and Derivatives)
- Carbonic acid dieester
- Carbonic acid esterhalide
- Carbonic acid monoester
- Carbonic acid derivatives
- Thiocarbonic acid dieester
- Thiocarbonic acid esterhalide
- Thiocarbonic acid monoester
- Urea
- Thiourea
- Isourea
- Isothiourea
- Guanidine
- Carbaminic acid
- Urethan(Carbamate ester)
- Biuret
- Semicarbazide
- Carbazide
- Semicarbazone
- Carbazone
- Thiosemicarbazide
- Thiocarbazide
- Thiosemicarbazone
- Thiocarbazone
- Isocyanate
- Cyanate
- Isothiocyanate
- Thiocyanate
- Carbodiimide
- Orthocarbonic derivatives
- I.6 Aromatics
- Phenol
- 1,2-Diphenol
- Arylchloride
- Arylfluoride
- Arylbromide
- Aryliodide
- Arylthiol
- Iminoarene
- Oxoarene
- Thioarene
- Hetero N basic H
- Hetero N basic no H
- Hetero N nonbasic
- Hetero O
- Hetero S
- Heteroaromatic
Part II: N, S, P, Si, B
- II.1 Nitrogen
- Nitrite
- Thionitrite
- Nitrate
- Nitro
- Nitroso
- Azide
- Acylazide
- Diazo
- Diazonium
- Nitrosamine
- Nitrosamide
- N-Oxide
- Hydrazine
- Hydrazone
- Hydroxylamine
- II.2 Sulfur
- Sulfon
- Sulfoxide
- Sulfonium
- Sulfuric acid
- Sulfuric monoester
- Sulfuric diester
- Sulfuric monoamide
- Sulfuric diamide
- Sulfuric esteramide
- Sulfuric derivative
- Sulfonic acid
- Sulfonamide
- Sulfonic ester
- Sulfonic halide
- Sulfonic derivative
- Sulfinic acid
- Sulfinic amide
- Sulfinic ester
- Sulfinic halide
- Sulfinic derivative
- Sulfenic acid
- Sulfenic amide
- Sulfenic ester
- Sulfenic halide
- Sulfenic derivative
- II.3 Phosphorous
- Phosphine
- Phosphine oxide
- Phosphonium
- Phosphorylen
- Phosphonic acid
- Phosphonic monoester
- Phosphonic diester
- Phosphonic monoamide
- Phosphonic diamide
- Phosphonic esteramide
- Phosphonic acid derivative
- Phosphoric acid
- Phosphoric monoester
- Phosphoric diester
- Phosphoric triester
- Phosphoric monoamide
- Phosphoric diamide
- Phosphoric triamide
- Phosphoric monoestermonoamide
- Phosphoric diestermonoamide
- Phosphoric monoesterdiamide
- Phosphoric acid derivative
- Phosphinic acid
- Phosphinic ester
- Phosphinic amide
- Phosphinic acid derivative
- Phosphonous acid
- Phosphonous monoester
- Phosphonous diester
- Phosphonous monoamide
- Phosphonous diamide
- Phosphonous esteramide
- Phosphonous derivatives
- Phosphinous acid
- Phosphinous ester
- Phosphinous amide
- Phosphinous derivatives
- II.4 Silicon
- Quart silane
- Non-quart silane
- Silylmonohalide
- Het trialkylsilane
- Dihet dialkylsilane
- Trihet alkylsilane
- Silicic acid derivative
- II.5 Boron
- Trialkylborane
- Boric acid derivatives
- Boronic acid derivative
- Borohydride
- Quaternary boron
Part III: Some Special Patterns
- III.1 Chains
- III.2 Rings
- Aromatic
- Heterocyclic
- Epoxide
- NH aziridine
- Spiro
- Annelated rings
- Bridged rings
- III.3 Sugars and Nucleosides/Nucleotides, Steroids
- Sugar pattern 1
- Sugar pattern 2
- Sugar pattern combi
- Sugar pattern 2 reducing
- Sugar pattern 2 alpha
- Sugar pattern 2 beta
- III.4 Everything else...
- Conjugated double bond
- Conjugated tripple bond
- Cis double bond
- Trans double bond
- Mixed anhydrides
- Halogen on hetero
- Halogen multi subst
- Trifluoromethyl
- C ONS bond
- Charged
- Anion
- Kation
- Salt
- 1,3-Tautomerizable
- 1,5-Tautomerizable
- Rotatable bond
- Michael acceptor
- Dicarbodiazene
- CH-acidic
- CH-acidic strong
- Chiral center specified