Chembase list of 866358 unique molecular structures

$$$$ Data

M. F.

C4H5N3O2

Suppliers	Catalog Number
Matrix Scientific	063782
Enamine	EN300-92640
A&J Pharmtech	AJA-O21861

Database	Data ID
PubChem	22566198

M. W.

127.1014

CAS

116008-52-7

Similarity

N/A

ID: 58602

1-ethyl-3-methyl-1H-pyrazole-4-carbohydrazide

$$$$ Data

M. F.

C7H12N4O

Suppliers	Catalog Number
ChemBridge	4040370
Matrix Scientific	063783

Database	Data ID
PubChem	46318394

M. W.

168.19638

CAS

1177272-66-0

Similarity

N/A

ID: 58603

1,5-dimethyl-1H-pyrazole-4-carbohydrazide

$$$$ Data

M. F.

C6H10N4O

Suppliers	Catalog Number
ChemBridge	4035503
Matrix Scientific	063784

Database	Data ID
PubChem	19618212

M. W.

154.1698

CAS

864948-68-5

Similarity

N/A

ID: 58604

4-phenyl-6-(trifluoromethyl)pyrimidin-2-ol

$$$$ Data

M. F.

C11H7F3N2O

Suppliers	Catalog Number
Matrix Scientific	063785

Database	Data ID
PubChem	746778

M. W.

240.1812896

CAS

Similarity

N/A

ID: 58605

methyl 3-[(E)-[(dimethylamino)methylidene]amino]-5-methyl-1H-indole-2-carboxylat...

$$$$ Data

M. F.

C14H17N3O2

Suppliers	Catalog Number
Matrix Scientific	063786

Database	Data ID
PubChem	46318396

M. W.

259.30368

CAS

Similarity

N/A

ID: 58606

ethyl 3-[(E)-[(dimethylamino)methylidene]amino]-5-methoxy-1H-indole-2-carboxylat...

$$$$ Data

M. F.

C15H19N3O3

Suppliers	Catalog Number
Matrix Scientific	063787

Database	Data ID
PubChem	3106028

M. W.

289.32966

CAS

Similarity

N/A

ID: 58607

ethyl 3-[(E)-[(dimethylamino)methylidene]amino]-5-methoxy-1-methyl-1H-indole-2-c...

$$$$ Data

M. F.

C16H21N3O3

Suppliers	Catalog Number
Matrix Scientific	063788

Database	Data ID
PubChem	46318397

M. W.

303.35624

CAS

Similarity

N/A

ID: 58608

2-tert-butyl-4,5-dihydro-1H-imidazole

$$$$ Data

M. F.

C7H14N2

Suppliers	Catalog Number
Matrix Scientific	063789

Database	Data ID
PubChem	12863225

M. W.

126.19946

CAS

Similarity

N/A

ID: 58609

2-(trifluoromethyl)-4,5-dihydro-1H-imidazole

$$$$ Data

M. F.

C4H5F3N2

Suppliers	Catalog Number
Matrix Scientific	063790

Database	Data ID
PubChem	256228

M. W.

138.0911096

CAS

Similarity

N/A

ID: 58610

5-bromo-2,4-dimethoxybenzaldehyde

$$$$ Data

M. F.

C9H9BrO3

Suppliers	Catalog Number
Sigma Aldrich	292516
Matrix Scientific	063791

Database	Data ID
PubChem	668346

M. W.

245.06996

CAS

130333-46-9

Similarity

N/A

ID: 58611

2-[(4-nitrophenyl)methoxy]benzaldehyde

$$$$ Data

M. F.

C14H11NO4

Suppliers	Catalog Number
ChemBridge	5566707
Matrix Scientific	063792

Database	Data ID
PubChem	720715

M. W.

257.24144

CAS

17490-72-1

Similarity

N/A

ID: 58612

5-(diethylamino)-2-hydroxybenzaldehyde

$$$$ Data

M. F.

C11H15NO2

Suppliers	Catalog Number
Matrix Scientific	063793

Database	Data ID
PubChem	12934647

M. W.

193.2423

CAS

Similarity

N/A

ID: 58613

3,5-dibromo-4-hydroxybenzaldehyde

$$$$ Data More

M. F.

C7H4Br2O2

Suppliers	Catalog Number
Sigma Aldrich	453137
Alfa Aesar	A12780
Matrix Scientific	063794

Database	Data ID
PubChem	18100

M. W.

279.91346

CAS

2973-77-5

Similarity

N/A

ID: 58614

2-hydroxy-3-methoxy-5-nitrobenzaldehyde

$$$$ Data More

M. F.

C8H7NO5

Suppliers	Catalog Number
Sigma Aldrich	434086
MP Biomedicals	05204207
Alfa Aesar	A14360

Database	Data ID
PubChem	307886

M. W.

197.14488

CAS

17028-61-4

Similarity

N/A

ID: 58615

5-bromo-2-hydroxy-3-nitrobenzaldehyde

$$$$ Data More

M. F.

C7H4BrNO4

Suppliers	Catalog Number
Sigma Aldrich	652768
Alfa Aesar	H26927
Matrix Scientific	063796

Database	Data ID
PubChem	618699

M. W.

246.01496

CAS

16634-88-1

Similarity

N/A

ID: 58616

(2Z)-2-methyl-3-[4-(propan-2-yl)phenyl]prop-2-enal

$$$$ Data

M. F.

C13H16O

Suppliers	Catalog Number
Matrix Scientific	063797

Database	Data ID
PubChem	22817064

M. W.

188.26554

CAS

Similarity

N/A

ID: 58617

1-[(2-chlorophenyl)methyl]-2,3-dihydro-1H-indole-2,3-dione

$$$$ Data

M. F.

C15H10ClNO2

Suppliers	Catalog Number
Matrix Scientific	063798
Enamine	EN300-01089

Database	Data ID
PubChem	1581062

M. W.

271.6984

CAS

306279-75-4

Similarity

N/A

ID: 58618

1-[(4-chlorophenyl)methyl]-2,3-dihydro-1H-indole-2,3-dione

$$$$ Data

M. F.

C15H10ClNO2

Suppliers	Catalog Number
Matrix Scientific	063799
Enamine	EN300-01090

Database	Data ID
PubChem	277990

M. W.

271.6984

CAS

26960-66-7

Similarity

N/A

ID: 58619

1-(4-methoxyphenyl)butane-1,3-dione

$$$$ Data

M. F.

C11H12O3

Suppliers	Catalog Number
Matrix Scientific	063800
Enamine	EN300-43840

Database	Data ID
PubChem	77640

M. W.

192.21118

CAS

4023-80-7

Similarity

N/A

ID: 58620

1-(4-methylphenyl)butane-1,3-dione

$$$$ Data

M. F.

C11H12O2

Suppliers	Catalog Number
Matrix Scientific	063801
Enamine	EN300-07056

Database	Data ID
PubChem	432651

M. W.

176.21178

CAS

4023-79-4

Similarity

N/A

ID: 58621

1-ethyl-5,7-dimethyl-2-sulfanyl-1H,4H-pyrido[2,3-d]pyrimidin-4-one

$$$$ Data

M. F.

C11H13N3OS

Suppliers	Catalog Number
Matrix Scientific	063802

Database	Data ID
PubChem	19614142

M. W.

235.30542

CAS

Similarity

N/A

ID: 58622

4-chloro-5-ethyl-6-methylthieno[2,3-d]pyrimidine

$$$$ Data

M. F.

C9H9ClN2S

Suppliers	Catalog Number
ChemBridge	4027827
Matrix Scientific	063803

Database	Data ID
PubChem	28064820

M. W.

212.69916

CAS

439692-90-7

Similarity

N/A

ID: 58623

ethyl 7-cyclopropyl-1-methyl-2,4-dioxo-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-5-car...

$$$$ Data

M. F.

C14H15N3O4

Suppliers	Catalog Number
Matrix Scientific	063804

Database	Data ID
PubChem	46318402

M. W.

289.2866

CAS

Similarity

N/A

ID: 58624

4-(1,2,3,4-tetrahydroisoquinoline-2-carbonyl)quinolin-2-ol

$$$$ Data

M. F.

C19H16N2O2

Suppliers	Catalog Number
Matrix Scientific	063805

Database	Data ID
PubChem	2481641

M. W.

304.34254

CAS

Similarity

N/A

ID: 58625

7-methyl-1-(2-methylpropyl)-5-(piperidine-1-carbonyl)-1H,2H,3H,4H-pyrido[2,3-d]p...

$$$$ Data

M. F.

C18H24N4O3

Suppliers	Catalog Number
Matrix Scientific	063806

Database	Data ID
PubChem	46318403

M. W.

344.40816

CAS

Similarity

N/A

ID: 58626

methyl 7-cyclopropyl-1-ethyl-4-oxo-2-sulfanyl-1H,4H-pyrido[2,3-d]pyrimidine-5-ca...

$$$$ Data

M. F.

C14H15N3O3S

Suppliers	Catalog Number
Matrix Scientific	063807

Database	Data ID
PubChem	46739840

M. W.

305.3522

CAS

Similarity

N/A

ID: 58627

6-amino-1-ethyl-2-sulfanylidene-1,2,3,4-tetrahydropyrimidin-4-one

$$$$ Data

M. F.

C6H9N3OS

Suppliers	Catalog Number
Matrix Scientific	063808

Database	Data ID
PubChem	3983561

M. W.

171.22016

CAS

Similarity

N/A

ID: 58628

4-hydrazinyl-2-(3-methoxyphenyl)quinazoline

$$$$ Data

M. F.

C15H14N4O

Suppliers	Catalog Number
Matrix Scientific	063809

Database	Data ID
PubChem	46318404

M. W.

266.29786

CAS

Similarity

N/A

ID: 58629

methyl 1-ethyl-7-methyl-4-oxo-2-sulfanyl-1H,4H-pyrido[2,3-d]pyrimidine-5-carboxy...

$$$$ Data

M. F.

C12H13N3O3S

Suppliers	Catalog Number
Matrix Scientific	063810

Database	Data ID
PubChem	46318405

M. W.

279.31492

CAS

Similarity

N/A

ID: 58630

7-methyl-5-(morpholine-4-carbonyl)-1-phenyl-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-...

$$$$ Data

M. F.

C19H18N4O4

Suppliers	Catalog Number
Matrix Scientific	063811

Database	Data ID
PubChem	46318406

M. W.

366.37062

CAS

Similarity

N/A

ID: 58631

5-phenyl-[1,2,4]triazolo[4,3-c]quinazoline-3-thiol

$$$$ Data

M. F.

C15H10N4S

Suppliers	Catalog Number
Matrix Scientific	063812

Database	Data ID
PubChem	4772873

M. W.

278.3317

CAS

Similarity

N/A

ID: 58632

7-cyclopropyl-2,4-dioxo-1-phenyl-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-5-carboxyli...

$$$$ Data

M. F.

C17H13N3O4

Suppliers	Catalog Number
Matrix Scientific	063813

Database	Data ID
PubChem	46318407

M. W.

323.30282

CAS

Similarity

N/A

ID: 58633

methyl 2,4-dimethyl-1H-pyrrole-3-carboxylate

$$$$ Data

M. F.

C8H11NO2

Suppliers	Catalog Number
ChemBridge	4027345
Matrix Scientific	063814
Enamine	EN300-17495

Database	Data ID
PubChem	142936

M. W.

153.17844

CAS

52459-90-2

Similarity

N/A

ID: 58634

N-benzyl-2-hydroxyquinoline-4-carboxamide

$$$$ Data

M. F.

C17H14N2O2

Suppliers	Catalog Number
Matrix Scientific	063815

Database	Data ID
PubChem	3617222

M. W.

278.30526

CAS

Similarity

N/A

ID: 58635

5-ethyl-6-methyl-3H,4H-thieno[2,3-d]pyrimidin-4-one

$$$$ Data

M. F.

C9H10N2OS

Suppliers	Catalog Number
Matrix Scientific	063816

Database	Data ID
PubChem	23005534

M. W.

194.2535

CAS

439692-89-4

Similarity

N/A

ID: 58636

2-hydroxy-N-propylquinoline-4-carboxamide

$$$$ Data

M. F.

C13H14N2O2

Suppliers	Catalog Number
Matrix Scientific	063817

Database	Data ID
PubChem	15323012

M. W.

230.26246

CAS

Similarity

N/A

ID: 58637

4-hydrazinyl-2-phenylquinazoline

$$$$ Data

M. F.

C14H12N4

Suppliers	Catalog Number
Matrix Scientific	063818

Database	Data ID
PubChem	13168552

M. W.

236.27188

CAS

Similarity

N/A

ID: 58638

1-(2,3-dimethylphenyl)-5,7-dimethyl-2-sulfanyl-1H,4H-pyrido[2,3-d]pyrimidin-4-on...

$$$$ Data

M. F.

C17H17N3OS

Suppliers	Catalog Number
Matrix Scientific	063819

Database	Data ID
PubChem	19614095

M. W.

311.40138

CAS

Similarity

N/A

ID: 58639

5-amino-2-(3-fluorophenyl)-1,3-oxazole-4-carboxamide

$$$$ Data

M. F.

C10H8FN3O2

Suppliers	Catalog Number
Matrix Scientific	063820

Database	Data ID
PubChem	46318408

M. W.

221.1878232

CAS

Similarity

N/A

ID: 58640

2-methyloxane-2-carbohydrazide

$$$$ Data

M. F.

C7H14N2O2

Suppliers	Catalog Number
Matrix Scientific	063821

Database	Data ID
PubChem	46318409

M. W.

158.19826

CAS

Similarity

N/A

ID: 58641

2-(pyridin-2-yl)acetohydrazide

$$$$ Data

M. F.

C7H9N3O

Suppliers	Catalog Number
Matrix Scientific	063822
Enamine	EN300-69580

Database	Data ID
PubChem	10953699

M. W.

151.16586

CAS

Similarity

N/A

ID: 58642

2-(hydrazinecarbonyl)benzene-1-sulfonamide

$$$$ Data

M. F.

C7H9N3O3S

Suppliers	Catalog Number
Matrix Scientific	063823

Database	Data ID
PubChem	2490720

M. W.

215.22966

CAS

102169-52-8

Similarity

N/A

ID: 58643

5-fluoro-3-methyl-1H-indole-2-carbohydrazide

$$$$ Data

M. F.

C10H10FN3O

Suppliers	Catalog Number
Matrix Scientific	063824

Database	Data ID
PubChem	46318415

M. W.

207.2043032

CAS

Similarity

N/A

ID: 58644

2-chloro-1-(2-methyl-2,3-dihydro-1H-indol-1-yl)ethan-1-one

$$$$ Data

M. F.

C11H12ClNO

Suppliers	Catalog Number
ChemBridge	9070931
Matrix Scientific	063825

Database	Data ID
PubChem	5151801

M. W.

209.67208

CAS

1013-18-9

Similarity

N/A

ID: 58645

1-chloro-2-(methylsulfanyl)ethane

$$$$ Data

M. F.

C3H7ClS

Suppliers	Catalog Number
Sigma Aldrich	242632 23050
Matrix Scientific	063826
Chemik	CHO0253

Database	Data ID
PubChem	10965

M. W.

110.60568

CAS

542-81-4

Similarity

N/A

ID: 58646

2H,3H-1λ⁶-thieno[2,3-d][1,2]thiazole-1,1,3-trione

$$$$ Data

M. F.

C5H3NO3S2

Suppliers	Catalog Number
ChemBridge	4040450
Matrix Scientific	063827

Database	Data ID
PubChem	14086550

M. W.

189.21222

CAS

59337-94-9

Similarity

N/A

ID: 58647

3-(benzyloxy)benzonitrile

$$$$ Data

M. F.

C14H11NO

Suppliers	Catalog Number
ChemBridge	4040707
Matrix Scientific	063828

Database	Data ID
PubChem	561329

M. W.

209.24324

CAS

61147-43-1

Similarity

N/A

ID: 58648

tert-butyl N-[2-(5-methoxy-1H-indol-3-yl)ethyl]carbamate

$$$$ Data

M. F.

C16H22N2O3

Suppliers	Catalog Number
Matrix Scientific	063829

Database	Data ID
PubChem	21258552

M. W.

290.35748

CAS

Similarity

N/A

ID: 58649

tert-butyl N-[2-(5-chloro-1H-indol-3-yl)ethyl]carbamate

$$$$ Data

M. F.

C15H19ClN2O2

Suppliers	Catalog Number
Matrix Scientific	063830

Database	Data ID
PubChem	51342074

M. W.

294.77656

CAS

Similarity

N/A

ID: 58650

N-{amino[(3Z)-2,4-dioxooxolan-3-ylidene]methyl}benzamide

$$$$ Data

M. F.

C12H10N2O4

Suppliers	Catalog Number
Matrix Scientific	063831

Database	Data ID
PubChem	51342075

M. W.

246.2188

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