Chembase list of 866358 unique molecular structures

5,6-dimethyl-4-nitropyridine-2-carboxylic acid

$$$$ Data

M. F.

C8H8N2O4

Suppliers	Catalog Number
Apollo Scientific	OR16002

Database	Data ID
PubChem	323301

M. W.

196.16012

CAS

501357-46-6

Similarity

N/A

ID: 77802

tert-butyl N-{3-azabicyclo[3.1.0]hexan-1-ylmethyl}carbamate

$$$$ Data

M. F.

C11H20N2O2

Suppliers	Catalog Number
Apollo Scientific	OR16003

Database	Data ID
PubChem	15713426

M. W.

212.2887

CAS

134574-96-2

Similarity

N/A

ID: 77803

2-ethylphenol

$$$$ Data More

M. F.

C8H10O

Suppliers	Catalog Number
Sigma Aldrich	E44000 04680 31198
MP Biomedicals	05209902
Alfa Aesar	L01637

Database	Data ID
PubChem	6997

M. W.

122.1644

CAS

90-00-6

Similarity

N/A

ID: 77804

methyl 2-hydroxynaphthalene-1-carboxylate

$$$$ Data

M. F.

C12H10O3

Suppliers	Catalog Number
Alfa Aesar	B22278
Apollo Scientific	OR16006
Bide Pharmatech	BD13785

Database	Data ID
PubChem	598533

M. W.

202.206

CAS

947-65-9

Similarity

N/A

ID: 77805

1,2-dihexyl benzene-1,2-dicarboxylate

$$$$ Data

M. F.

C20H30O4

Suppliers	Catalog Number
Alfa Aesar	A12593
Apollo Scientific	OR16007

Database	Data ID
PubChem	6786

M. W.

334.4498

CAS

84-75-3

Similarity

N/A

ID: 77806

methyl (1S)-1-methyl-2-oxocyclopentane-1-carboxylate

$$$$ Data

M. F.

C8H12O3

Suppliers	Catalog Number
Apollo Scientific	OR16009

Database	Data ID
PubChem	12409306

M. W.

156.17908

CAS

162489-18-1

Similarity

N/A

ID: 77807

2-oxo-2-(thiophen-2-yl)acetaldehyde hydrate

$$$$ Data

M. F.

C6H6O3S

Suppliers	Catalog Number
Apollo Scientific	OR1601

Database	Data ID
PubChem	12250457

M. W.

158.17504

CAS

138380-43-5

Similarity

N/A

ID: 77808

1-oxo-hexahydro-1H-pyrrolizine-7a-carboxylic acid hydrochloride

$$$$ Data

M. F.

C8H12ClNO3

Suppliers	Catalog Number
Apollo Scientific	OR16010

Database	Data ID
PubChem	44118799

M. W.

205.63878

CAS

216392-66-4

Similarity

N/A

ID: 77809

(1R,5R)-2,4-dioxo-3-oxabicyclo[3.1.0]hexane-6-carbonyl chloride

$$$$ Data

M. F.

C6H3ClO4

Suppliers	Catalog Number
Apollo Scientific	OR16011

Database	Data ID
PubChem	71299274

M. W.

174.53862

CAS

22538-64-3

Similarity

N/A

ID: 77810

3-chloro-4-methyl-1,2-oxazole-5-carboxylic acid

$$$$ Data

M. F.

C5H4ClNO3

Suppliers	Catalog Number
Apollo Scientific	OR16012

Database	Data ID
PubChem	26370380

M. W.

161.54316

CAS

272773-09-8

Similarity

N/A

ID: 77811

4-methyl-1,2-dithiolane-4-carboxamide

$$$$ Data

M. F.

C5H9NOS2

Suppliers	Catalog Number
Apollo Scientific	OR16015

Database	Data ID
PubChem	26370382

M. W.

163.26106

CAS

Similarity

N/A

ID: 77812

1-benzyl-3-ethylpiperazine

$$$$ Data

M. F.

C13H20N2

Suppliers	Catalog Number
Apollo Scientific	OR16017
Enamine	EN300-93226

Database	Data ID
PubChem	22036541

M. W.

204.3113

CAS

Similarity

N/A

ID: 77813

1-benzyl-2-ethylpiperazine

$$$$ Data

M. F.

C13H20N2

Suppliers	Catalog Number
Apollo Scientific	OR16018

Database	Data ID
PubChem	44118661

M. W.

204.3113

CAS

Similarity

N/A

ID: 77814

benzyl 2-methylpiperazine-1-carboxylate

$$$$ Data

M. F.

C13H18N2O2

Suppliers	Catalog Number
Apollo Scientific	OR16019

Database	Data ID
PubChem	22507589

M. W.

234.29422

CAS

Similarity

N/A

ID: 77815

benzyl 2-ethylpiperazine-1-carboxylate

$$$$ Data

M. F.

C14H20N2O2

Suppliers	Catalog Number
Apollo Scientific	OR16020

Database	Data ID
PubChem	44118662

M. W.

248.3208

CAS

Similarity

N/A

ID: 77816

1-benzyl-2-methylpiperazine

$$$$ Data

M. F.

C12H18N2

Suppliers	Catalog Number
Apollo Scientific	OR16021

Database	Data ID
PubChem	10442525

M. W.

190.28472

CAS

Similarity

N/A

ID: 77817

2-ethylpiperazine

$$$$ Data

M. F.

C6H14N2

Suppliers	Catalog Number
ChemBridge	4029768
Apollo Scientific	OR16023
A&J Pharmtech	AJA-O34666

Database	Data ID
PubChem	14094188

M. W.

114.18876

CAS

109-07-9

Similarity

N/A

ID: 77818

benzyl 3-ethylpiperazine-1-carboxylate

$$$$ Data

M. F.

C14H20N2O2

Suppliers	Catalog Number
Apollo Scientific	OR16024

Database	Data ID
PubChem	20254271

M. W.

248.3208

CAS

Similarity

N/A

ID: 77819

1-benzyl-2-phenylpiperazine

$$$$ Data

M. F.

C17H20N2

Suppliers	Catalog Number
Apollo Scientific	OR16025

Database	Data ID
PubChem	98031

M. W.

252.3541

CAS

Similarity

N/A

ID: 77820

tert-butyl N-(2-aminocyclohexyl)carbamate

$$$$ Data

M. F.

C11H22N2O2

Suppliers	Catalog Number
Apollo Scientific	OR16029

Database	Data ID
PubChem	3268011

M. W.

214.30458

CAS

317595-54-3

Similarity

N/A

ID: 77821

tert-butyl 4-(propylamino)piperidine-1-carboxylate

$$$$ Data

M. F.

C13H26N2O2

Suppliers	Catalog Number
Apollo Scientific	OR16031
Enamine	EN300-45369

Database	Data ID
PubChem	22458258

M. W.

242.35774

CAS

Similarity

N/A

ID: 77822

tert-butyl 4-[(propan-2-yl)amino]piperidine-1-carboxylate

$$$$ Data

M. F.

C13H26N2O2

Suppliers	Catalog Number
Apollo Scientific	OR16032
Enamine	EN300-89948
A&J Pharmtech	AJA-O13841

Database	Data ID
PubChem	20801236

M. W.

242.35774

CAS

534595-51-2

Similarity

N/A

ID: 77823

1-methanesulfonylpiperidin-4-one

$$$$ Data

M. F.

C6H11NO3S

Suppliers	Catalog Number
Apollo Scientific	OR16033
Enamine	EN300-97622
Bide Pharmatech	BD19409

Database	Data ID
PubChem	12072029

M. W.

177.22144

CAS

218780-53-1

Similarity

N/A

ID: 77824

1-methanesulfonyl-N-methylpiperidin-4-amine

$$$$ Data

M. F.

C7H16N2O2S

Suppliers	Catalog Number
Apollo Scientific	OR16035

Database	Data ID
PubChem	18758393

M. W.

192.27914

CAS

Similarity

N/A

ID: 77825

chloromethyl butanoate

$$$$ Data

M. F.

C5H9ClO2

Suppliers	Catalog Number
Apollo Scientific	OR16070

Database	Data ID
PubChem	2725008

M. W.

136.57676

CAS

33657-49-7

Similarity

N/A

ID: 77826

4-chloro-1,3-dioxolan-2-one

$$$$ Data

M. F.

C3H3ClO3

Suppliers	Catalog Number
Sigma Aldrich	167630 24481
Apollo Scientific	OR16071

Database	Data ID
PubChem	98075

M. W.

122.50712

CAS

3967-54-2

Similarity

N/A

ID: 77827

2-nitropyridine

$$$$ Data

M. F.

C5H4N2O2

Suppliers	Catalog Number
Sigma Aldrich	736104
Alfa Aesar	H33657
Apollo Scientific	OR16075

Database	Data ID
PubChem	26998

M. W.

124.09746

CAS

15009-91-3

Similarity

N/A

ID: 77828

4-methyl-2-nitropyridine

$$$$ Data

M. F.

C6H6N2O2

Suppliers	Catalog Number
Apollo Scientific	OR16077
A&J Pharmtech	AJA-O13388

Database	Data ID
PubChem	87602

M. W.

138.12404

CAS

18368-71-3

Similarity

N/A

ID: 77829

6-methyl-2-nitropyridin-3-ol

$$$$ Data More

M. F.

C6H6N2O3

Suppliers	Catalog Number
Sigma Aldrich	232742
Alfa Aesar	L07074
Apollo Scientific	OR16078

Database	Data ID
PubChem	84801

M. W.

154.12344

CAS

15128-90-2

Similarity

N/A

ID: 77830

1,1,1-trichloropropan-2-one

$$$$ Data

M. F.

C3H3Cl3O

Suppliers	Catalog Number
Apollo Scientific	OR16079

Database	Data ID
PubChem	13514

M. W.

161.41432

CAS

918-00-3

Similarity

N/A

ID: 77831

2-chloro-1-phenylethan-1-one

$$$$ Data More

M. F.

C8H7ClO

Suppliers	Catalog Number
Sigma Aldrich	C19686 77460
Alfa Aesar	A10749
Apollo Scientific	OR16080

Database	Data ID
Wikipedia	Phenacyl_chloride
PubChem	10757

M. W.

154.59358

CAS

532-27-4

Similarity

N/A

ID: 77832

1-(pyrimidin-2-yl)ethan-1-one

$$$$ Data

M. F.

C6H6N2O

Suppliers	Catalog Number
Apollo Scientific	OR16083
A&J Pharmtech	AJA-O15896

Database	Data ID
PubChem	11607909

M. W.

122.12464

CAS

53342-27-1

Similarity

N/A

ID: 77833

(3-cyclopropanesulfonamidophenyl)boronic acid

$$$$ Data

M. F.

C9H12BNO4S

Suppliers	Catalog Number
Apollo Scientific	OR16084

Database	Data ID
PubChem	45933803

M. W.

241.07188

CAS

1072945-67-5

Similarity

N/A

ID: 77834

potassium 3-aminothiophene-2-carboxylate

$$$$ Data

M. F.

C5H4KNO2S

Suppliers	Catalog Number
Apollo Scientific	OR16085

Database	Data ID
PubChem	45933804

M. W.

181.25406

CAS

Similarity

N/A

ID: 77835

4-chloro-6-phenyl-2,3-dihydropyridazin-3-one

$$$$ Data

M. F.

C10H7ClN2O

Suppliers	Catalog Number
Apollo Scientific	OR16086

Database	Data ID
PubChem	13163245

M. W.

206.62838

CAS

Similarity

N/A

ID: 77836

4-methyl-3-{[4-(pyridin-3-yl)pyrimidin-2-yl]amino}benzoic acid

$$$$ Data

M. F.

C17H14N4O2

Suppliers	Catalog Number
Apollo Scientific	OR16087
Bide Pharmatech	BD163144
A&J Pharmtech	AJA-O165

Database	Data ID
PubChem	10402880

M. W.

306.31866

CAS

641569-94-0

Similarity

N/A

ID: 77837

2-oxo-2-[4-(2-oxoacetyl)phenyl]acetaldehyde dihydrate

$$$$ Data

M. F.

C10H10O6

Suppliers	Catalog Number
Apollo Scientific	OR1609

Database	Data ID
PubChem	21554742

M. W.

226.1828

CAS

48160-61-8

Similarity

N/A

ID: 77838

10-methyl-1,3,8-triazatricyclo[7.4.0.0²,⁷]trideca-2,4,6,8,...

$$$$ Data

M. F.

C11H13ClN4O

Suppliers	Catalog Number
MP Biomedicals	02154188
Apollo Scientific	OR1610T
TRC	A616100

Database	Data ID
PubChem	24837711

M. W.

252.70012

CAS

210049-10-8

Similarity

N/A

ID: 77839

2-[4-(dimethylamino)phenyl]-2-oxoacetaldehyde hydrate

$$$$ Data

M. F.

C10H13NO3

Suppliers	Catalog Number
Apollo Scientific	OR1612
Bide Pharmatech	BD224976
A&J Pharmtech	AJA-O4181 AJA-O39545

Database	Data ID
PubChem	21298506

M. W.

195.21512

CAS

1171790-84-3

Similarity

N/A

ID: 77840

2-oxo-2-[4-(piperidin-1-yl)phenyl]acetaldehyde hydrate

$$$$ Data

M. F.

C13H17NO3

Suppliers	Catalog Number
Apollo Scientific	OR1613
Bide Pharmatech	BD100065
A&J Pharmtech	AJA-O705

Database	Data ID
PubChem	44118542

M. W.

235.27898

CAS

93290-93-8

Similarity

N/A

ID: 77841

N-[3-(phenylamino)prop-2-en-1-ylidene]aniline hydrochloride

$$$$ Data

M. F.

C15H15ClN2

Suppliers	Catalog Number
Apollo Scientific	OR1614

Database	Data ID
PubChem	5706364

M. W.

258.746

CAS

28140-60-5

Similarity

N/A

ID: 77842

2-acetylbenzoic acid

$$$$ Data More

M. F.

C9H8O3

Suppliers	Catalog Number
Sigma Aldrich	A12801
BioBioPha	BBP01774
Alfa Aesar	A10216

Database	Data ID
PubChem	68474

M. W.

164.15802

CAS

577-56-0

Similarity

N/A

ID: 77843

2-(3-amino-4-hydroxyphenyl)acetic acid

$$$$ Data

M. F.

C8H9NO3

Suppliers	Catalog Number
Apollo Scientific	OR16144
TRC	A611195

Database	Data ID
PubChem	1473103

M. W.

167.16196

CAS

38196-08-6

Similarity

N/A

ID: 77844

3-chloro-5-methoxybenzoic acid

$$$$ Data More

M. F.

C8H7ClO3

Suppliers	Catalog Number
Sigma Aldrich	696374
Alfa Aesar	H31960
Apollo Scientific	OR16145

Database	Data ID
PubChem	12909341

M. W.

186.59238

CAS

82477-67-6

Similarity

N/A

ID: 77845

2-ethylbenzoic acid

$$$$ Data More

M. F.

C9H10O2

Suppliers	Catalog Number
Sigma Aldrich	253804
MP Biomedicals	05224539
Apollo Scientific	OR16146

Database	Data ID
PubChem	34170

M. W.

150.1745

CAS

28134-31-8

Similarity

N/A

ID: 77846

3-cyanobenzoic acid

$$$$ Data More

M. F.

C8H5NO2

Suppliers	Catalog Number
Sigma Aldrich	157163 28365
MP Biomedicals	05225456
Alfa Aesar	B23836

Database	Data ID
PubChem	15875

M. W.

147.1308

CAS

1877-72-1

Similarity

N/A

ID: 77847

2-(2,5-dioxopyrrolidin-1-yl)benzoic acid

$$$$ Data

M. F.

C11H9NO4

Suppliers	Catalog Number
Apollo Scientific	OR16148

Database	Data ID
PubChem	7021346

M. W.

219.19346

CAS

Similarity

N/A

ID: 77848

3-bromo-1H-indazol-6-amine

$$$$ Data

M. F.

C7H6BrN3

Suppliers	Catalog Number
Apollo Scientific	OR16151
Bide Pharmatech	BD108107

Database	Data ID
PubChem	19354410

M. W.

212.04664

CAS

52347-72-5

Similarity

N/A

ID: 77849

3-(3-nitrophenyl)thiophene

$$$$ Data

M. F.

C10H7NO2S

Suppliers	Catalog Number
Apollo Scientific	OR16154

Database	Data ID
PubChem	22724005

M. W.

205.23308

CAS

30011-95-1

Similarity

N/A

ID: 77850

5,5,7,7-tetramethyl-4-nitro-1H,5H,6H,7H-cyclopenta[f]indazole

$$$$ Data

M. F.

C14H17N3O2

Suppliers	Catalog Number
Apollo Scientific	OR16155

Database	Data ID
PubChem	45933805

M. W.

259.30368

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