Chembase list of 866358 unique molecular structures

$$$$ Data

M. F.

C6H9BrN2

Suppliers	Catalog Number
ChemBridge	4043150
Matrix Scientific	065603

Database	Data ID
PubChem	52644179

M. W.

189.05306

CAS

Similarity

N/A

ID: 60402

4-bromo-2-phenyl-1H-imidazole

$$$$ Data

M. F.

C9H7BrN2

Suppliers	Catalog Number
Matrix Scientific	065604

Database	Data ID
PubChem	13047426

M. W.

223.06928

CAS

Similarity

N/A

ID: 60403

3-ethyl-1H-pyrazole

$$$$ Data

M. F.

C5H8N2

Suppliers	Catalog Number
ChemBridge	4042936
Matrix Scientific	065605
A&J Pharmtech	AJA-O36715

Database	Data ID
PubChem	498459

M. W.

96.13042

CAS

13808-71-4

Similarity

N/A

ID: 60404

4-bromo-5-ethyl-1H-pyrazole

$$$$ Data More

M. F.

C5H7BrN2

Suppliers	Catalog Number
ChemBridge	4043791
Matrix Scientific	065606
Bide Pharmatech	BD236410

Database	Data ID
PubChem	12565200

M. W.

175.02648

CAS

15802-79-6

Similarity

N/A

ID: 60405

3,4-dimethyl-1H-pyrazol-5-ol

$$$$ Data

M. F.

C5H8N2O

Suppliers	Catalog Number
ChemBridge	4042832
Matrix Scientific	065607

Database	Data ID
PubChem	3364477

M. W.

112.12982

CAS

4344-72-3

Similarity

N/A

ID: 60406

pyrimidine-2-carbothioamide

$$$$ Data

M. F.

C5H5N3S

Suppliers	Catalog Number
Alfa Aesar	H54783
Matrix Scientific	065608
Enamine	EN300-44187

Database	Data ID
PubChem	23273397

M. W.

139.1783

CAS

Similarity

N/A

ID: 60407

2-(4-hydroxypiperidin-1-yl)acetic acid

$$$$ Data

M. F.

C7H13NO3

Suppliers	Catalog Number
ChemBridge	4013612
Matrix Scientific	065609

Database	Data ID
PubChem	11205927

M. W.

159.18302

CAS

168159-33-9

Similarity

N/A

ID: 60408

7-methyl-[1,2,4]triazolo[4,3-a]pyrimidine-3-carboxylic acid

$$$$ Data

M. F.

C7H6N4O2

Suppliers	Catalog Number
ChemBridge	4042671
Matrix Scientific	065610

Database	Data ID
PubChem	51072287

M. W.

178.14814

CAS

1256643-42-1

Similarity

N/A

ID: 60409

ethyl 2-cyclopropyl-1,3-oxazole-4-carboxylate

$$$$ Data

M. F.

C9H11NO3

Suppliers	Catalog Number
Matrix Scientific	065611
A&J Pharmtech	AJA-O19371

Database	Data ID
PubChem	53399652

M. W.

181.18854

CAS

1060816-03-6

Similarity

N/A

ID: 60410

1-cyclopropylbutane-1,3-dione

$$$$ Data

M. F.

C7H10O2

Suppliers	Catalog Number
ChemBridge	5108777
Matrix Scientific	065612
Enamine	EN300-70179

Database	Data ID
PubChem	11018869

M. W.

126.1531

CAS

21573-10-4

Similarity

N/A

ID: 60411

1-(thiophen-2-yl)propan-2-one

$$$$ Data More

M. F.

C7H8OS

Suppliers	Catalog Number
ChemBridge	4041410
Matrix Scientific	065613
Apollo Scientific	OR27348

Database	Data ID
PubChem	529394

M. W.

140.20282

CAS

15022-18-1

Similarity

N/A

ID: 60412

1-methyl-1H-pyrrole-2-carbonitrile

$$$$ Data More

M. F.

C6H6N2

Suppliers	Catalog Number
ChemBridge	4036195
Matrix Scientific	065614
Enamine	EN300-12885

Database	Data ID
PubChem	2064111

M. W.

106.12524

CAS

34884-10-1

Similarity

N/A

ID: 60413

(E)-2-(dimethoxymethyl)-N'-hydroxybenzene-1-carboximidamide

$$$$ Data

M. F.

C10H14N2O3

Suppliers	Catalog Number
Matrix Scientific	065615

Database	Data ID
PubChem	56760734

M. W.

210.22976

CAS

Similarity

N/A

ID: 60414

3-(methylsulfanyl)propanenitrile

$$$$ Data

M. F.

C4H7NS

Suppliers	Catalog Number
MP Biomedicals	05226308
Matrix Scientific	065616

Database	Data ID
PubChem	548386

M. W.

101.17008

CAS

Similarity

N/A

ID: 60415

2-cyclobutyl-1,3-benzothiazole

$$$$ Data

M. F.

C11H11NS

Suppliers	Catalog Number
Matrix Scientific	065617

Database	Data ID
PubChem	56760735

M. W.

189.27674

CAS

Similarity

N/A

ID: 60416

2-methylquinoline-4-carboxamide

$$$$ Data

M. F.

C11H10N2O

Suppliers	Catalog Number
Matrix Scientific	065618
Enamine	EN300-03859

Database	Data ID
PubChem	85122

M. W.

186.2099

CAS

15821-13-3

Similarity

N/A

ID: 60417

ethyl (2E)-2-(ethoxymethylidene)-3-oxopentanoate

$$$$ Data

M. F.

C10H16O4

Suppliers	Catalog Number
Matrix Scientific	065619

Database	Data ID
PubChem	10774397

M. W.

200.23164

CAS

Similarity

N/A

ID: 60418

3-N-methylpyridine-2,3-diamine

$$$$ Data

M. F.

C6H9N3

Suppliers	Catalog Number
Matrix Scientific	065620
Enamine	EN300-111144

Database	Data ID
PubChem	12238404

M. W.

123.15576

CAS

56291-51-1

Similarity

N/A

ID: 60419

4-nitro-1-propyl-1H-pyrazole

$$$$ Data

M. F.

C6H9N3O2

Suppliers	Catalog Number
Matrix Scientific	065621

Database	Data ID
PubChem	25247765

M. W.

155.15456

CAS

Similarity

N/A

ID: 60420

N-methyl-3-(morpholin-4-yl)propanamide

$$$$ Data

M. F.

C8H16N2O2

Suppliers	Catalog Number
Matrix Scientific	065622

Database	Data ID
PubChem	21035093

M. W.

172.22484

CAS

Similarity

N/A

ID: 60421

ethyl 3-(ethylamino)propanoate

$$$$ Data

M. F.

C7H15NO2

Suppliers	Catalog Number
Matrix Scientific	065623

Database	Data ID
PubChem	90223

M. W.

145.1995

CAS

Similarity

N/A

ID: 60422

N-(4-phenylcyclohexylidene)hydroxylamine

$$$$ Data

M. F.

C12H15NO

Suppliers	Catalog Number
Matrix Scientific	065624
A&J Pharmtech	AJA-O39784

Database	Data ID
PubChem	343882

M. W.

189.2536

CAS

4500-20-3

Similarity

N/A

ID: 60423

1-ethyl-N-methylpiperidin-4-amine

$$$$ Data

M. F.

C8H18N2

Suppliers	Catalog Number
ChemBridge	4014398
Matrix Scientific	065625
Enamine	EN300-27796

Database	Data ID
PubChem	16770471

M. W.

142.24192

CAS

864247-56-3

Similarity

N/A

ID: 60424

4-ethylazepane

$$$$ Data

M. F.

C8H17N

Suppliers	Catalog Number
ChemBridge	4042576
Matrix Scientific	065626
Enamine	EN300-80164

Database	Data ID
PubChem	17996801

M. W.

127.22728

CAS

Similarity

N/A

ID: 60425

(1-methylpyrrolidin-2-yl)methanol

$$$$ Data More

M. F.

C6H13NO

Suppliers	Catalog Number
Matrix Scientific	065627
Enamine	EN300-51076
Bide Pharmatech	BD20406

Database	Data ID
PubChem	97836

M. W.

115.17352

CAS

3554-65-2

Similarity

N/A

ID: 60426

3,4-dihydro-2H-1,4-benzoxazine-2,3-dione

$$$$ Data

M. F.

C8H5NO3

Suppliers	Catalog Number
Matrix Scientific	065628

Database	Data ID
PubChem	77148

M. W.

163.1302

CAS

Similarity

N/A

ID: 60427

2-[2-(5-chloro-1,3-benzoxazol-2-yl)ethyl]-2,3-dihydro-1H-isoindole-1,3-dione

$$$$ Data

M. F.

C17H11ClN2O3

Suppliers	Catalog Number
Matrix Scientific	065629

Database	Data ID
PubChem	56760737

M. W.

326.73384

CAS

Similarity

N/A

ID: 60428

2-[2-(6-chloro-1,3-benzoxazol-2-yl)ethyl]-2,3-dihydro-1H-isoindole-1,3-dione

$$$$ Data

M. F.

C17H11ClN2O3

Suppliers	Catalog Number
Matrix Scientific	065630

Database	Data ID
PubChem	56760738

M. W.

326.73384

CAS

Similarity

N/A

ID: 60429

1-(2-hydroxy-1H-1,3-benzodiazol-1-yl)ethan-1-one

$$$$ Data

M. F.

C9H8N2O2

Suppliers	Catalog Number
Matrix Scientific	065631

Database	Data ID
PubChem	12259313

M. W.

176.17202

CAS

Similarity

N/A

ID: 60430

2-chloro-4-(trichloromethyl)pyrimidine

$$$$ Data

M. F.

C5H2Cl4N2

Suppliers	Catalog Number
Matrix Scientific	065632

Database	Data ID
PubChem	10868148

M. W.

231.89478

CAS

Similarity

N/A

ID: 60431

3-cyanobenzamide

$$$$ Data

M. F.

C8H6N2O

Suppliers	Catalog Number
ChemBridge	4044349
Matrix Scientific	065633
Enamine	EN300-31182

Database	Data ID
PubChem	76974

M. W.

146.14604

CAS

3441-01-8

Similarity

N/A

ID: 60432

1-(carboxylatomethyl)-4-(carboxymethyl)-3,5-dimethyl-1H-1,2,4-triazol-4-ium

$$$$ Data

M. F.

C8H11N3O4

Suppliers	Catalog Number
Matrix Scientific	065634

Database	Data ID
PubChem	56760739

M. W.

213.19064

CAS

Similarity

N/A

ID: 60433

methyl(1-phenylethyl)amine

$$$$ Data

M. F.

C9H13N

Suppliers	Catalog Number
Matrix Scientific	065635
Enamine	EN300-12191

Database	Data ID
PubChem	577403

M. W.

135.20622

CAS

19131-99-8

Similarity

N/A

ID: 60434

3,5-dimethyl-1-(propan-2-yl)-1H-pyrazole-4-sulfonyl chloride

$$$$ Data

M. F.

C8H13ClN2O2S

Suppliers	Catalog Number
ChemBridge	4043370
Matrix Scientific	065636
Enamine	EN300-78313

Database	Data ID
PubChem	54593633

M. W.

236.71902

CAS

Similarity

N/A

ID: 60435

2-{[5-(3-chlorophenyl)-4-methyl-4H-1,2,4-triazol-3-yl]sulfanyl}acetohydrazide

$$$$ Data

M. F.

C11H12ClN5OS

Suppliers	Catalog Number
Matrix Scientific	065637

Database	Data ID
PubChem	56760741

M. W.

297.76388

CAS

Similarity

N/A

ID: 60436

2-{[4-methyl-5-(3-methylphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetohydrazide

$$$$ Data

M. F.

C12H15N5OS

Suppliers	Catalog Number
Matrix Scientific	065638

Database	Data ID
PubChem	56760742

M. W.

277.3454

CAS

Similarity

N/A

ID: 60437

N-ethyl-2-nitroaniline

$$$$ Data

M. F.

C8H10N2O2

Suppliers	Catalog Number
Sigma Aldrich	328480
Matrix Scientific	065639
Enamine	EN300-54637

Database	Data ID
PubChem	82354

M. W.

166.1772

CAS

10112-15-9

Similarity

N/A

ID: 60438

1-N-ethylbenzene-1,2-diamine

$$$$ Data

M. F.

C8H12N2

Suppliers	Catalog Number
Matrix Scientific	065640
Enamine	EN300-37435

Database	Data ID
PubChem	90275

M. W.

136.19428

CAS

23838-73-5

Similarity

N/A

ID: 60439

cyclobutanecarboxamide

$$$$ Data More

M. F.

C5H9NO

Suppliers	Catalog Number
Matrix Scientific	065641
Enamine	EN300-91936
Bide Pharmatech	BD32024

Database	Data ID
PubChem	1274476

M. W.

99.13106

CAS

1503-98-6

Similarity

N/A

ID: 60440

5-methoxy-1,3,4-thiadiazol-2-ol

$$$$ Data

M. F.

C3H4N2O2S

Suppliers	Catalog Number
ChemBridge	4043908
Matrix Scientific	065642

Database	Data ID
PubChem	192940

M. W.

132.14106

CAS

17605-27-5

Similarity

N/A

ID: 60441

2-nitro-1H-imidazole

$$$$ Data More

M. F.

C3H3N3O2

Suppliers	Catalog Number
Sigma Aldrich	195650 73390
MP Biomedicals	02155884
Alfa Aesar	L13546

Database	Data ID
PubChem	10701

M. W.

113.07482

CAS

527-73-1

Similarity

N/A

ID: 60442

3H-imidazo[4,5-b]pyridine-2-carboxylic acid

$$$$ Data

M. F.

C7H5N3O2

Suppliers	Catalog Number
ChemBridge	4042970
Matrix Scientific	065644

Database	Data ID
PubChem	22610019

M. W.

163.1335

CAS

97640-15-8

Similarity

N/A

ID: 60443

2-[(5-{[(4-methylphenyl)amino]methyl}-4-phenyl-4H-1,2,4-triazol-3-yl)sulfanyl]ac...

$$$$ Data

M. F.

C18H20N6OS

Suppliers	Catalog Number
Matrix Scientific	065645

Database	Data ID
PubChem	10451677

M. W.

368.456

CAS

Similarity

N/A

ID: 60444

2-[(4-methyl-5-{[(4-methylphenyl)amino]methyl}-4H-1,2,4-triazol-3-yl)sulfanyl]ac...

$$$$ Data

M. F.

C13H18N6OS

Suppliers	Catalog Number
Matrix Scientific	065646

Database	Data ID
PubChem	56760743

M. W.

306.38662

CAS

Similarity

N/A

ID: 60445

[(2-hydroxyphenyl)carbamoyl]formic acid

$$$$ Data

M. F.

C8H7NO4

Suppliers	Catalog Number
Matrix Scientific	065647

Database	Data ID
PubChem	13703932

M. W.

181.14548

CAS

Similarity

N/A

ID: 60446

2-[(5-{[(4-bromophenyl)amino]methyl}-4-methyl-4H-1,2,4-triazol-3-yl)sulfanyl]ace...

$$$$ Data

M. F.

C12H15BrN6OS

Suppliers	Catalog Number
Matrix Scientific	065648

Database	Data ID
PubChem	56760744

M. W.

371.2561

CAS

Similarity

N/A

ID: 60447

N-(4-chlorophenyl)-1-(hydrazinecarbonyl)formamide

$$$$ Data

M. F.

C8H8ClN3O2

Suppliers	Catalog Number
Matrix Scientific	065649

Database	Data ID
PubChem	2250853

M. W.

213.62102

CAS

Similarity

N/A

ID: 60448

2-[(5-{[(4-chlorophenyl)amino]methyl}-4-phenyl-4H-1,2,4-triazol-3-yl)sulfanyl]pr...

$$$$ Data

M. F.

C18H19ClN6OS

Suppliers	Catalog Number
Matrix Scientific	065650

Database	Data ID
PubChem	56760745

M. W.

402.90106

CAS

Similarity

N/A

ID: 60449

2-[(5-{1-[(4-chlorophenyl)amino]ethyl}-4-(prop-2-en-1-yl)-4H-1,2,4-triazol-3-yl)...

$$$$ Data

M. F.

C15H19ClN6OS

Suppliers	Catalog Number
Matrix Scientific	065651

Database	Data ID
PubChem	56760746

M. W.

366.86896

CAS

Similarity

N/A

ID: 60450

N-(4-chloro-2-methylphenyl)-1-(hydrazinecarbonyl)formamide

$$$$ Data

M. F.

C9H10ClN3O2

Suppliers	Catalog Number
Matrix Scientific	065652

Database	Data ID
PubChem	56760747

M. W.

227.6476

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