Chembase list of 866358 unique molecular structures

2-amino-5-methyl-4,5-dihydro-1,3-thiazol-4-one

$$$$ Data

M. F.

C4H6N2OS

Suppliers	Catalog Number
Matrix Scientific	066003
Enamine	EN300-95101

Database	Data ID
PubChem	221779

M. W.

130.16824

CAS

Similarity

N/A

ID: 60802

3-methyl-2,3,4,9-tetrahydro-1H-carbazole

$$$$ Data

M. F.

C13H15N

Suppliers	Catalog Number
Matrix Scientific	066004

Database	Data ID
PubChem	588812

M. W.

185.2649

CAS

Similarity

N/A

ID: 60803

N-[5-(2-aminophenyl)-1H-1,2,4-triazol-3-yl]-4,6-dimethylpyrimidin-2-amine

$$$$ Data

M. F.

C14H15N7

Suppliers	Catalog Number
Matrix Scientific	066005

Database	Data ID
PubChem	943408

M. W.

281.3158

CAS

Similarity

N/A

ID: 60804

(2E)-N-(4,6-dimethylpyrimidin-2-yl)-octahydro-1H-1,3-benzodiazol-2-imine

$$$$ Data

M. F.

C13H19N5

Suppliers	Catalog Number
Matrix Scientific	066006

Database	Data ID
PubChem	2945459

M. W.

245.32346

CAS

Similarity

N/A

ID: 60805

1-(4-chlorophenyl)-3-cyanourea

$$$$ Data

M. F.

C8H6ClN3O

Suppliers	Catalog Number
Matrix Scientific	066007

Database	Data ID
PubChem	4206596

M. W.

195.60574

CAS

Similarity

N/A

ID: 60806

[3-(4,6-dimethylpyrimidin-2-yl)carbamimidamido]thiourea

$$$$ Data

M. F.

C8H13N7S

Suppliers	Catalog Number
Matrix Scientific	066008

Database	Data ID
PubChem	50878112

M. W.

239.30072

CAS

Similarity

N/A

ID: 60807

N-(pyrrolidine-1-carboximidoyl)benzamide

$$$$ Data

M. F.

C12H15N3O

Suppliers	Catalog Number
Matrix Scientific	066009

Database	Data ID
PubChem	16641029

M. W.

217.267

CAS

Similarity

N/A

ID: 60808

3-(2-chloroethyl)-6-fluoro-1,2,3,4-tetrahydroquinazoline-2,4-dione

$$$$ Data

M. F.

C10H8ClFN2O2

Suppliers	Catalog Number
Matrix Scientific	066010
InterBioScreen	BB_SC-9559

Database	Data ID
PubChem	50878113

M. W.

242.6341232

CAS

Similarity

N/A

ID: 60809

ethyl 5-amino-1-(4,6-dimethylpyrimidin-2-yl)-3-methyl-1H-pyrazole-4-carboxylate

$$$$ Data

M. F.

C13H17N5O2

Suppliers	Catalog Number
Matrix Scientific	066011

Database	Data ID
PubChem	17122129

M. W.

275.30638

CAS

Similarity

N/A

ID: 60810

5-(chloromethyl)-3-(4,6-dimethylpyrimidin-2-yl)-1,3-oxazolidin-2-one

$$$$ Data

M. F.

C10H12ClN3O2

Suppliers	Catalog Number
Matrix Scientific	066012

Database	Data ID
PubChem	50878114

M. W.

241.67418

CAS

Similarity

N/A

ID: 60811

methyl N-(4-amino-1,2,5-oxadiazol-3-yl)carbamate

$$$$ Data

M. F.

C4H6N4O3

Suppliers	Catalog Number
Matrix Scientific	066013

Database	Data ID
PubChem	50878115

M. W.

158.11544

CAS

Similarity

N/A

ID: 60812

N-(4-fluorophenyl)-2-sulfanylacetamide

$$$$ Data

M. F.

C8H8FNOS

Suppliers	Catalog Number
Matrix Scientific	066014
Apollo Scientific	PC31158

Database	Data ID
PubChem	715358

M. W.

185.2186232

CAS

Similarity

N/A

ID: 60813

ethyl 4-(2-sulfanylacetamido)benzoate

$$$$ Data

M. F.

C11H13NO3S

Suppliers	Catalog Number
Matrix Scientific	066015

Database	Data ID
PubChem	294410

M. W.

239.29082

CAS

Similarity

N/A

ID: 60814

N-(4-methylphenyl)-2-sulfanylacetamide

$$$$ Data

M. F.

C9H11NOS

Suppliers	Catalog Number
Matrix Scientific	066016

Database	Data ID
PubChem	294418

M. W.

181.25474

CAS

Similarity

N/A

ID: 60815

N-(2-chlorophenyl)-2-sulfanylacetamide

$$$$ Data

M. F.

C8H8ClNOS

Suppliers	Catalog Number
Matrix Scientific	066017

Database	Data ID
PubChem	679489

M. W.

201.67322

CAS

Similarity

N/A

ID: 60816

N-(2-fluorophenyl)-2-sulfanylacetamide

$$$$ Data

M. F.

C8H8FNOS

Suppliers	Catalog Number
Matrix Scientific	066018
Apollo Scientific	PC31165
Enamine	EN300-09756

Database	Data ID
PubChem	574212

M. W.

185.2186232

CAS

Similarity

N/A

ID: 60817

N-(2,4-dichlorophenyl)-2-sulfanylacetamide

$$$$ Data

M. F.

C8H7Cl2NOS

Suppliers	Catalog Number
Matrix Scientific	066019

Database	Data ID
PubChem	5155404

M. W.

236.11828

CAS

Similarity

N/A

ID: 60818

2-sulfanyl-N-[3-(trifluoromethyl)phenyl]acetamide

$$$$ Data

M. F.

C9H8F3NOS

Suppliers	Catalog Number
Matrix Scientific	066020

Database	Data ID
PubChem	16647701

M. W.

235.2261296

CAS

Similarity

N/A

ID: 60819

N-(2,5-dimethoxyphenyl)-2-sulfanylacetamide

$$$$ Data

M. F.

C10H13NO3S

Suppliers	Catalog Number
Matrix Scientific	066021

Database	Data ID
PubChem	294406

M. W.

227.28012

CAS

Similarity

N/A

ID: 60820

2-{7-thia-2,4,5-triazatricyclo[6.4.0.0^{2,6}]dodeca-1(12),3,5,8,10-pentaen-3-yls...

$$$$ Data

M. F.

C10H9N3OS2

Suppliers	Catalog Number
Matrix Scientific	066022

Database	Data ID
PubChem	2235861

M. W.

251.32796

CAS

Similarity

N/A

ID: 60821

8-(4-chlorophenyl)pyrazolo[1,5-a][1,3,5]triazin-4-amine

$$$$ Data

M. F.

C11H8ClN5

Suppliers	Catalog Number
Matrix Scientific	066023

Database	Data ID
PubChem	28688798

M. W.

245.66772

CAS

Similarity

N/A

ID: 60822

6-amino-2-phenyl-3,4-dihydropyrimidin-4-one

$$$$ Data

M. F.

C10H9N3O

Suppliers	Catalog Number
Matrix Scientific	066024

Database	Data ID
PubChem	816992

M. W.

187.19796

CAS

Similarity

N/A

ID: 60823

6-amino-2-methyl-3,4-dihydropyrimidin-4-one

$$$$ Data

M. F.

C5H7N3O

Suppliers	Catalog Number
Matrix Scientific	066025
InterBioScreen	BB_SC-9566
Enamine	EN300-25628

Database	Data ID
PubChem	69844

M. W.

125.12858

CAS

767-16-8

Similarity

N/A

ID: 60824

6-amino-2-methoxy-3,4-dihydropyrimidin-4-one

$$$$ Data

M. F.

C5H7N3O2

Suppliers	Catalog Number
Matrix Scientific	066026
Enamine	EN300-77206

Database	Data ID
PubChem	816910

M. W.

141.12798

CAS

Similarity

N/A

ID: 60825

2-hydroxy-4-methylpyridine-3,5-dicarboxylic acid

$$$$ Data

M. F.

C8H7NO5

Suppliers	Catalog Number
Matrix Scientific	066027

Database	Data ID
PubChem	12291473

M. W.

197.14488

CAS

Similarity

N/A

ID: 60826

5-(pyridin-3-yl)-4H-1,2,4-triazol-3-amine

$$$$ Data More

M. F.

C7H7N5

Suppliers	Catalog Number
ChemBridge	4006355
Matrix Scientific	066028
InterBioScreen	BB_SC-5835

Database	Data ID
PubChem	215363

M. W.

161.16398

CAS

35607-27-3

Similarity

N/A

ID: 60827

5-(pyridin-4-yl)-4H-1,2,4-triazol-3-amine

$$$$ Data More

M. F.

C7H7N5

Suppliers	Catalog Number
ChemBridge	4014290
Matrix Scientific	066029
InterBioScreen	BB_SC-5681

Database	Data ID
PubChem	199040

M. W.

161.16398

CAS

3652-17-3

Similarity

N/A

ID: 60828

3-(4-methylphenyl)-1H-1,2,4-triazol-5-amine

$$$$ Data More

M. F.

C9H10N4

Suppliers	Catalog Number
ChemBridge	5304233
Matrix Scientific	066030
Enamine	EN300-14520

Database	Data ID
PubChem	747058

M. W.

174.2025

CAS

51884-11-8

Similarity

N/A

ID: 60829

5-(furan-2-yl)-4H-1,2,4-triazol-3-amine

$$$$ Data More

M. F.

C6H6N4O

Suppliers	Catalog Number
ChemBridge	4012916
Matrix Scientific	066031
InterBioScreen	BB_SC-7406

Database	Data ID
PubChem	10034780

M. W.

150.13804

CAS

3663-61-4

Similarity

N/A

ID: 60830

3-(phenoxymethyl)-1H-1,2,4-triazol-5-amine

$$$$ Data

M. F.

C9H10N4O

Suppliers	Catalog Number
Matrix Scientific	066032
InterBioScreen	BB_SC-8068

Database	Data ID
PubChem	3780076

M. W.

190.2019

CAS

Similarity

N/A

ID: 60831

ethyl 2-amino-6-benzyl-4H,5H,6H,7H-thieno[2,3-c]pyridine-3-carboxylate

$$$$ Data More

M. F.

C17H20N2O2S

Suppliers	Catalog Number
Matrix Scientific	066033
Apollo Scientific	OR13361
InterBioScreen	Bio-0715

Database	Data ID
PubChem	5480

M. W.

316.4179

CAS

24237-54-5

Similarity

N/A

ID: 60832

5-hydroxy-1-phenyl-1H-pyrazole-4-carboxylic acid

$$$$ Data

M. F.

C10H8N2O3

Suppliers	Catalog Number
Matrix Scientific	066034

Database	Data ID
PubChem	12485380

M. W.

204.18212

CAS

Similarity

N/A

ID: 60833

methyl 2-{13-hydroxy-1,8,10-triazatricyclo[7.4.0.0^{2,7}]trideca-2,4,6,8,12-pent...

$$$$ Data

M. F.

C13H13N3O3

Suppliers	Catalog Number
Matrix Scientific	066035

Database	Data ID
PubChem	56760838

M. W.

259.26062

CAS

Similarity

N/A

ID: 60834

1-(4,6-dimethylpyrimidin-2-yl)-4-ethyl-3-methyl-1H-pyrazol-5-ol

$$$$ Data

M. F.

C12H16N4O

Suppliers	Catalog Number
Matrix Scientific	066036

Database	Data ID
PubChem	16421705

M. W.

232.28164

CAS

Similarity

N/A

ID: 60835

3-(4-chlorophenyl)-1-(4,6-dimethylpyrimidin-2-yl)-1H-pyrazol-5-ol

$$$$ Data

M. F.

C15H13ClN4O

Suppliers	Catalog Number
Matrix Scientific	066037

Database	Data ID
PubChem	4905101

M. W.

300.74292

CAS

Similarity

N/A

ID: 60836

1-(1H-1,3-benzodiazol-2-yl)-4-ethyl-3-methyl-1H-pyrazol-5-ol

$$$$ Data

M. F.

C13H14N4O

Suppliers	Catalog Number
Matrix Scientific	066038

Database	Data ID
PubChem	16459681

M. W.

242.27646

CAS

Similarity

N/A

ID: 60837

ethyl 5-amino-1-(4,6-dimethylpyrimidin-2-yl)-1H-pyrazole-4-carboxylate

$$$$ Data

M. F.

C12H15N5O2

Suppliers	Catalog Number
Matrix Scientific	066039
Enamine	EN300-41462

Database	Data ID
PubChem	692270

M. W.

261.2798

CAS

91644-39-2

Similarity

N/A

ID: 60838

5-amino-1-(4,6-dimethylpyrimidin-2-yl)-1H-pyrazole-4-carbonitrile

$$$$ Data

M. F.

C10H10N6

Suppliers	Catalog Number
Matrix Scientific	066040

Database	Data ID
PubChem	2317988

M. W.

214.2266

CAS

Similarity

N/A

ID: 60839

(E)-1-(4,6-dimethylpyrimidin-2-yl)-2-hydroxyguanidine

$$$$ Data

M. F.

C7H11N5O

Suppliers	Catalog Number
Matrix Scientific	066041

Database	Data ID
PubChem	5765803

M. W.

181.19514

CAS

Similarity

N/A

ID: 60840

3-amino-1-(4,6-dimethylpyrimidin-2-yl)-4,5-dihydro-1H-pyrazol-5-one

$$$$ Data

M. F.

C9H11N5O

Suppliers	Catalog Number
Matrix Scientific	066042

Database	Data ID
PubChem	51403787

M. W.

205.21654

CAS

Similarity

N/A

ID: 60841

2-[1-(4-fluorophenyl)-5-hydroxy-3-methyl-1H-pyrazol-4-yl]acetic acid

$$$$ Data

M. F.

C12H11FN2O3

Suppliers	Catalog Number
Matrix Scientific	066043

Database	Data ID
PubChem	26316630

M. W.

250.2257432

CAS

Similarity

N/A

ID: 60842

3-(5-hydroxy-3-phenyl-1H-pyrazol-1-yl)-1$l^{6}-thiolane-1,1-dione

$$$$ Data

M. F.

C13H14N2O3S

Suppliers	Catalog Number
Matrix Scientific	066044

Database	Data ID
PubChem	51055056

M. W.

278.32686

CAS

Similarity

N/A

ID: 60843

1-(dimethyl-1,3-thiazol-4-yl)ethan-1-one

$$$$ Data

M. F.

C7H9NOS

Suppliers	Catalog Number
ChemBridge	4028825
Matrix Scientific	066045
Enamine	EN300-10071

Database	Data ID
PubChem	2530245

M. W.

155.21746

CAS

52517-49-4

Similarity

N/A

ID: 60844

6-(chloromethyl)-2-N-(3-methylphenyl)-1,3,5-triazine-2,4-diamine

$$$$ Data

M. F.

C11H12ClN5

Suppliers	Catalog Number
ChemBridge	9071694
Matrix Scientific	066046

Database	Data ID
PubChem	936364

M. W.

249.69948

CAS

573950-75-1

Similarity

N/A

ID: 60845

6-(chloromethyl)-2-N-(3-methoxyphenyl)-1,3,5-triazine-2,4-diamine

$$$$ Data

M. F.

C11H12ClN5O

Suppliers	Catalog Number
Matrix Scientific	066047
InterBioScreen	BB_SC-1994

Database	Data ID
PubChem	935878

M. W.

265.69888

CAS

Similarity

N/A

ID: 60846

4-amino-6-sulfanyl-2,5-dihydro-1,3,5-triazin-2-one

$$$$ Data

M. F.

C3H4N4OS

Suppliers	Catalog Number
Matrix Scientific	066048

Database	Data ID
PubChem	12220392

M. W.

144.15506

CAS

Similarity

N/A

ID: 60847

4-amino-6-(benzylsulfanyl)-2,5-dihydro-1,3,5-triazin-2-one

$$$$ Data

M. F.

C10H10N4OS

Suppliers	Catalog Number
Matrix Scientific	066049

Database	Data ID
PubChem	12220396

M. W.

234.2776

CAS

Similarity

N/A

ID: 60848

4-amino-6-methyl-1,3,5-triazine-2-thiol

$$$$ Data

M. F.

C4H6N4S

Suppliers	Catalog Number
Matrix Scientific	066050

Database	Data ID
PubChem	3032868

M. W.

142.18224

CAS

Similarity

N/A

ID: 60849

1-(4-phenyl-1,3-thiazol-2-yl)guanidine

$$$$ Data

M. F.

C10H10N4S

Suppliers	Catalog Number
Matrix Scientific	066051
InterBioScreen	BB_SC-5148

Database	Data ID
PubChem	3763607

M. W.

218.2782

CAS

Similarity

N/A

ID: 60850

1-(4-oxo-4,5-dihydro-1,3-thiazol-2-yl)guanidine

$$$$ Data

M. F.

C4H6N4OS

Suppliers	Catalog Number
Matrix Scientific	066052

Database	Data ID
PubChem	292657

M. W.

158.18164

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