Chembase list of 866358 unique molecular structures

$$$$ Data

M. F.

C13H21N

Suppliers	Catalog Number
Matrix Scientific	028750

Database	Data ID
PubChem	17024847

M. W.

191.31254

CAS

Similarity

N/A

ID: 26202

1-(3-methoxyphenyl)ethan-1-amine

$$$$ Data

M. F.

C9H13NO

Suppliers	Catalog Number
Matrix Scientific	028751
Enamine	EN300-35021

Database	Data ID
PubChem	4612058

M. W.

151.20562

CAS

62409-13-6

Similarity

N/A

ID: 26203

1-(4-methoxyphenyl)ethan-1-amine

$$$$ Data

M. F.

C9H13NO

Suppliers	Catalog Number
Matrix Scientific	028752
Enamine	EN300-35235
A&J Pharmtech	AJA-O3649

Database	Data ID
PubChem	238181

M. W.

151.20562

CAS

6298-96-0

Similarity

N/A

ID: 26204

1-(oxolan-2-yl)ethan-1-amine

$$$$ Data

M. F.

C6H13NO

Suppliers	Catalog Number
Matrix Scientific	028753
Enamine	EN300-31109

Database	Data ID
PubChem	21843661

M. W.

115.17352

CAS

Similarity

N/A

ID: 26205

1-(adamantan-1-yl)butan-1-amine

$$$$ Data

M. F.

C14H25N

Suppliers	Catalog Number
Matrix Scientific	028754

Database	Data ID
PubChem	44917

M. W.

207.355

CAS

Similarity

N/A

ID: 26206

1-(adamantan-1-yl)propan-1-amine

$$$$ Data More

M. F.

C13H23N

Suppliers	Catalog Number
ChemBridge	4002776
Matrix Scientific	028755
InterBioScreen	Bio-0543

Database	Data ID
PubChem	547499

M. W.

193.32842

CAS

60196-90-9

Similarity

N/A

ID: 26207

3,3-dimethylbutan-2-amine

$$$$ Data More

M. F.

C6H15N

Suppliers	Catalog Number
ChemBridge	3001722
Alfa Aesar	A11530
Matrix Scientific	028756

Database	Data ID
PubChem	520907

M. W.

101.19

CAS

3850-30-4

Similarity

N/A

ID: 26208

6-bromo-1,3-benzothiazol-2-amine

$$$$ Data More

M. F.

C7H5BrN2S

Suppliers	Catalog Number
Sigma Aldrich	538507
ChemBridge	3001777
Alfa Aesar	A18554

Database	Data ID
PubChem	85149

M. W.

229.097

CAS

15864-32-1

Similarity

N/A

ID: 26209

1-(4-propylphenyl)ethan-1-amine

$$$$ Data

M. F.

C11H17N

Suppliers	Catalog Number
ChemBridge	3006607
Matrix Scientific	028758

Database	Data ID
PubChem	3796995

M. W.

163.25938

CAS

91339-01-4

Similarity

N/A

ID: 26210

1-[4-(butan-2-yl)phenyl]ethan-1-amine

$$$$ Data

M. F.

C12H19N

Suppliers	Catalog Number
Matrix Scientific	028759

Database	Data ID
PubChem	3999404

M. W.

177.28596

CAS

Similarity

N/A

ID: 26211

1-[(2-chloro-4-fluorophenyl)methyl]piperazine

$$$$ Data

M. F.

C11H14ClFN2

Suppliers	Catalog Number
ChemBridge	3005043
Matrix Scientific	028760
Enamine	EN300-37333

Database	Data ID
PubChem	1229849

M. W.

228.6936632

CAS

118630-33-4

Similarity

N/A

ID: 26212

3-chloro-4-(difluoromethoxy)aniline

$$$$ Data

M. F.

C7H6ClF2NO

Suppliers	Catalog Number
Matrix Scientific	028761

Database	Data ID
PubChem	2064153

M. W.

193.5784464

CAS

39211-55-7

Similarity

N/A

ID: 26213

2-(difluoromethoxy)-4-methylaniline

$$$$ Data

M. F.

C8H9F2NO

Suppliers	Catalog Number
Matrix Scientific	028762

Database	Data ID
PubChem	7019294

M. W.

173.1599664

CAS

Similarity

N/A

ID: 26214

adamantan-1-ylmethanamine

$$$$ Data

M. F.

C11H19N

Suppliers	Catalog Number
ChemBridge	3020477
Matrix Scientific	028763
Bide Pharmatech	BD13450

Database	Data ID
PubChem	86625

M. W.

165.27526

CAS

17768-41-1

Similarity

N/A

ID: 26215

4-(difluoromethoxy)-2-methylaniline

$$$$ Data

M. F.

C8H9F2NO

Suppliers	Catalog Number
ChemBridge	4028886
Matrix Scientific	028764

Database	Data ID
PubChem	7019303

M. W.

173.1599664

CAS

39211-57-9

Similarity

N/A

ID: 26216

1-[(3,4-dichlorophenyl)methyl]piperazine

$$$$ Data

M. F.

C11H14Cl2N2

Suppliers	Catalog Number
Sigma Aldrich	644269
ChemBridge	3005182
Matrix Scientific	028765

Database	Data ID
PubChem	2758074

M. W.

245.14826

CAS

55513-17-2

Similarity

N/A

ID: 26217

1-[(2,4-dichlorophenyl)methyl]piperazine

$$$$ Data More

M. F.

C11H14Cl2N2

Suppliers	Catalog Number
Sigma Aldrich	657840
ChemBridge	3005369
Matrix Scientific	028766

Database	Data ID
PubChem	411179

M. W.

245.14826

CAS

51619-56-8

Similarity

N/A

ID: 26218

1-[(2,6-dichlorophenyl)methyl]piperazine

$$$$ Data

M. F.

C11H14Cl2N2

Suppliers	Catalog Number
Sigma Aldrich	657832
ChemBridge	3005334
Matrix Scientific	028767

Database	Data ID
PubChem	770796

M. W.

245.14826

CAS

102292-50-2

Similarity

N/A

ID: 26219

1-[4-(propan-2-yl)phenyl]propan-1-amine

$$$$ Data

M. F.

C12H19N

Suppliers	Catalog Number
Matrix Scientific	028768
Enamine	EN300-97094

Database	Data ID
PubChem	17024856

M. W.

177.28596

CAS

Similarity

N/A

ID: 26220

1-(4-tert-butylphenyl)ethan-1-amine

$$$$ Data

M. F.

C12H19N

Suppliers	Catalog Number
ChemBridge	3007456
Matrix Scientific	028769
Enamine	EN300-33170

Database	Data ID
PubChem	5100980

M. W.

177.28596

CAS

89538-65-8

Similarity

N/A

ID: 26221

4-methylcyclohexan-1-amine

$$$$ Data More

M. F.

C7H15N

Suppliers	Catalog Number
Sigma Aldrich	177466
ChemBridge	3002871
Matrix Scientific	028770

Database	Data ID
PubChem	80604

M. W.

113.2007

CAS

6321-23-9

Similarity

N/A

ID: 26222

4-ethylcyclohexan-1-amine

$$$$ Data More

M. F.

C8H17N

Suppliers	Catalog Number
ChemBridge	3018386
Matrix Scientific	028771
Apollo Scientific	OR12347

Database	Data ID
PubChem	420819

M. W.

127.22728

CAS

42195-97-1

Similarity

N/A

ID: 26223

4-tert-butylcyclohexan-1-amine

$$$$ Data More

M. F.

C10H21N

Suppliers	Catalog Number
ChemBridge	3001608
Alfa Aesar	L02472
Matrix Scientific	028772

Database	Data ID
PubChem	79396

M. W.

155.28044

CAS

5400-88-4

Similarity

N/A

ID: 26224

4-(2-methylbutan-2-yl)cyclohexan-1-amine

$$$$ Data

M. F.

C11H23N

Suppliers	Catalog Number
Matrix Scientific	028773
Enamine	EN300-13360

Database	Data ID
PubChem	4962391

M. W.

169.30702

CAS

Similarity

N/A

ID: 26225

1-ethylpiperidin-4-amine

$$$$ Data

M. F.

C7H16N2

Suppliers	Catalog Number
Matrix Scientific	028774
Enamine	EN300-10906

Database	Data ID
PubChem	3734990

M. W.

128.21534

CAS

50534-45-7

Similarity

N/A

ID: 26226

1-propylpiperidin-4-amine

$$$$ Data

M. F.

C8H18N2

Suppliers	Catalog Number
ChemBridge	4004106
Matrix Scientific	028775
Enamine	EN300-13425

Database	Data ID
PubChem	541730

M. W.

142.24192

CAS

42389-59-3

Similarity

N/A

ID: 26227

1-(3,6-dichloro-1-benzothiophene-2-carbonyl)piperazine

$$$$ Data

M. F.

C13H12Cl2N2OS

Suppliers	Catalog Number
Matrix Scientific	028776

Database	Data ID
PubChem	843575

M. W.

315.21818

CAS

Similarity

N/A

ID: 26228

1-(3-chloro-6-nitro-1-benzothiophene-2-carbonyl)piperazine

$$$$ Data

M. F.

C13H12ClN3O3S

Suppliers	Catalog Number
Matrix Scientific	028777

Database	Data ID
PubChem	4496360

M. W.

325.77068

CAS

Similarity

N/A

ID: 26229

1-(benzenesulfonyl)piperazine

$$$$ Data More

M. F.

C10H14N2O2S

Suppliers	Catalog Number
ChemBridge	3003962
Matrix Scientific	028778
Apollo Scientific	OR0822

Database	Data ID
PubChem	808712

M. W.

226.29536

CAS

14172-55-5

Similarity

N/A

ID: 26230

N-(4-aminophenyl)-4-methylbenzene-1-sulfonamide

$$$$ Data More

M. F.

C13H14N2O2S

Suppliers	Catalog Number
Sigma Aldrich	371777
Matrix Scientific	028779
Apollo Scientific	OR27864

Database	Data ID
PubChem	458884

M. W.

262.32746

CAS

6380-08-1

Similarity

N/A

ID: 26231

1,3-diethyl 5-aminobenzene-1,3-dicarboxylate

$$$$ Data

M. F.

C12H15NO4

Suppliers	Catalog Number
Matrix Scientific	028780

Database	Data ID
PubChem	677188

M. W.

237.2518

CAS

Similarity

N/A

ID: 26232

1,3-bis(propan-2-yl) 5-aminobenzene-1,3-dicarboxylate

$$$$ Data

M. F.

C14H19NO4

Suppliers	Catalog Number
Matrix Scientific	028781

Database	Data ID
PubChem	3526621

M. W.

265.30496

CAS

Similarity

N/A

ID: 26233

1,4-diethyl 2-aminobenzene-1,4-dicarboxylate

$$$$ Data

M. F.

C12H15NO4

Suppliers	Catalog Number
Matrix Scientific	028782

Database	Data ID
PubChem	4633362

M. W.

237.2518

CAS

Similarity

N/A

ID: 26234

1-(4-methylphenyl)ethan-1-amine

$$$$ Data More

M. F.

C9H13N

Suppliers	Catalog Number
Sigma Aldrich	549134
ChemBridge	3002653
Matrix Scientific	028783

Database	Data ID
PubChem	577386

M. W.

135.20622

CAS

586-70-9

Similarity

N/A

ID: 26235

1-methanesulfonylpiperazine

$$$$ Data More

M. F.

C5H12N2O2S

Suppliers	Catalog Number
ChemBridge	3003961
Matrix Scientific	028784
Apollo Scientific	OR0841

Database	Data ID
PubChem	709161

M. W.

164.22598

CAS

55276-43-2

Similarity

N/A

ID: 26236

2-(difluoromethoxy)-5-methylaniline

$$$$ Data

M. F.

C8H9F2NO

Suppliers	Catalog Number
Matrix Scientific	028785

Database	Data ID
PubChem	7019342

M. W.

173.1599664

CAS

Similarity

N/A

ID: 26237

2-amino-5-methyl-4-phenylthiophene-3-carboxamide

$$$$ Data

M. F.

C12H12N2OS

Suppliers	Catalog Number
ChemBridge	3014344
Matrix Scientific	028786
Enamine	EN300-31437

Database	Data ID
PubChem	818324

M. W.

232.30148

CAS

128118-34-3

Similarity

N/A

ID: 26238

2-amino-4-(4-tert-butylphenyl)-5-methylthiophene-3-carboxamide

$$$$ Data

M. F.

C16H20N2OS

Suppliers	Catalog Number
ChemBridge	3014345
Matrix Scientific	028787

Database	Data ID
PubChem	3599721

M. W.

288.4078

CAS

861451-49-2

Similarity

N/A

ID: 26239

2-amino-5-methyl-4-phenylthiophene-3-carbonitrile

$$$$ Data

M. F.

C12H10N2S

Suppliers	Catalog Number
ChemBridge	3014346
Matrix Scientific	028788

Database	Data ID
PubChem	672397

M. W.

214.2862

CAS

99011-93-5

Similarity

N/A

ID: 26240

2-amino-4-(3,4-dimethoxyphenyl)thiophene-3-carbonitrile

$$$$ Data

M. F.

C13H12N2O2S

Suppliers	Catalog Number
ChemBridge	3006158
Matrix Scientific	028789

Database	Data ID
PubChem	3855541

M. W.

260.31158

CAS

884497-31-8

Similarity

N/A

ID: 26241

2-amino-4-(2,5-dimethylphenyl)thiophene-3-carbonitrile

$$$$ Data

M. F.

C13H12N2S

Suppliers	Catalog Number
Matrix Scientific	028790

Database	Data ID
PubChem	672398

M. W.

228.31278

CAS

Similarity

N/A

ID: 26242

2-amino-4-(2,4-dichlorophenyl)-5-methylthiophene-3-carbonitrile

$$$$ Data

M. F.

C12H8Cl2N2S

Suppliers	Catalog Number
ChemBridge	3006160
Matrix Scientific	028791

Database	Data ID
PubChem	672394

M. W.

283.17632

CAS

519016-78-5

Similarity

N/A

ID: 26243

2-amino-4-(2,4-dichlorophenyl)thiophene-3-carbonitrile

$$$$ Data

M. F.

C11H6Cl2N2S

Suppliers	Catalog Number
Matrix Scientific	028792

Database	Data ID
PubChem	672395

M. W.

269.14974

CAS

Similarity

N/A

ID: 26244

2-amino-4-(4-ethylphenyl)-5-methylthiophene-3-carbonitrile

$$$$ Data

M. F.

C14H14N2S

Suppliers	Catalog Number
ChemBridge	3006162
Matrix Scientific	028793

Database	Data ID
PubChem	3855542

M. W.

242.33936

CAS

884497-32-9

Similarity

N/A

ID: 26245

2-amino-4-(4-fluorophenyl)-5-methylthiophene-3-carboxamide

$$$$ Data

M. F.

C12H11FN2OS

Suppliers	Catalog Number
Matrix Scientific	028794

Database	Data ID
PubChem	616219

M. W.

250.2919432

CAS

Similarity

N/A

ID: 26246

2-amino-4-(2,4-dichlorophenyl)-5-methylthiophene-3-carboxamide

$$$$ Data

M. F.

C12H10Cl2N2OS

Suppliers	Catalog Number
Matrix Scientific	028795

Database	Data ID
PubChem	17024783

M. W.

301.1916

CAS

Similarity

N/A

ID: 26247

2-amino-4-(2,4-dichlorophenyl)thiophene-3-carboxamide

$$$$ Data

M. F.

C11H8Cl2N2OS

Suppliers	Catalog Number
Matrix Scientific	028796

Database	Data ID
PubChem	16783246

M. W.

287.16502

CAS

Similarity

N/A

ID: 26248

2-amino-4-(4-fluorophenyl)-5-methylthiophene-3-carbonitrile

$$$$ Data

M. F.

C12H9FN2S

Suppliers	Catalog Number
ChemBridge	3006166
Matrix Scientific	028797

Database	Data ID
PubChem	3855543

M. W.

232.2766632

CAS

884497-33-0

Similarity

N/A

ID: 26249

2-amino-5-methyl-4-(4-propylphenyl)thiophene-3-carbonitrile

$$$$ Data

M. F.

C15H16N2S

Suppliers	Catalog Number
ChemBridge	3006167
Matrix Scientific	028798

Database	Data ID
PubChem	672396

M. W.

256.36594

CAS

519016-79-6

Similarity

N/A

ID: 26250

5-cyclopropyl-1,3,4-thiadiazol-2-amine

$$$$ Data More

M. F.

C5H7N3S

Suppliers	Catalog Number
ChemBridge	3002513
Alfa Aesar	L05778
Matrix Scientific	028800

Database	Data ID
PubChem	717021

M. W.

141.19418

CAS

57235-50-4

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