Chembase list of 866358 unique molecular structures

$$$$ Data More

M. F.

C5H13N

Suppliers	Catalog Number
Sigma Aldrich	386391 04211
MP Biomedicals	05213158
Alfa Aesar	L04089

Database	Data ID
PubChem	88318

M. W.

87.16342

CAS

19961-27-4

Similarity

N/A

ID: 109952

N-(3-methylphenyl)formamide

$$$$ Data

M. F.

C8H9NO

Suppliers	Catalog Number
MP Biomedicals	05213163
Alfa Aesar	B24061

Database	Data ID
PubChem	76518

M. W.

135.16316

CAS

3085-53-8

Similarity

N/A

ID: 109953

formylurea

$$$$ Data

M. F.

C2H4N2O2

Suppliers	Catalog Number
MP Biomedicals	05213164
Alfa Aesar	A14336

Database	Data ID
PubChem	70922

M. W.

88.06536

CAS

1190-24-5

Similarity

N/A

ID: 109954

2-(2-methylpropoxy)naphthalene

$$$$ Data

M. F.

C14H16O

Suppliers	Catalog Number
MP Biomedicals	05213165
Bide Pharmatech	BD76078

Database	Data ID
PubChem	16582

M. W.

200.27624

CAS

2173-57-1

Similarity

N/A

ID: 109955

2-chloroacetonitrile

$$$$ Data

M. F.

C2H2ClN

Suppliers	Catalog Number
Sigma Aldrich	C19651 22830
MP Biomedicals	05213167
Alfa Aesar	A12825

Database	Data ID
PubChem	7856

M. W.

75.49698

CAS

107-14-2

Similarity

N/A

ID: 109956

trisodium 1,3-dioxo-2-(4-sulfonatoquinolin-2-yl)-2,3-dihydro-1H-indene-4,6-disul...

$$$$ Data

M. F.

C18H8NNa3O11S3

Suppliers	Catalog Number
MP Biomedicals	05213169

Database	Data ID
PubChem	44135444

M. W.

579.42053

CAS

8004-92-0

Similarity

N/A

ID: 109957

(1R)-1-[(2S,3aR,5R,6S,6aR)-6-hydroxy-2-(trichloromethyl)-tetrahydro-2H-furo[2,3-...

$$$$ Data

M. F.

C8H11Cl3O6

Suppliers	Catalog Number
Sigma Aldrich	127310
MP Biomedicals	05213172

Database	Data ID
PubChem	5284343

M. W.

309.52834

CAS

16376-36-6

Similarity

N/A

ID: 109958

cerium(3+) ion triacetate

$$$$ Data

M. F.

C6H9CeO6

Suppliers	Catalog Number
MP Biomedicals	05213174
Alfa Aesar	44433

Database	Data ID
PubChem	10826

M. W.

317.24806

CAS

17829-82-2

Similarity

N/A

ID: 109959

chromium(3+) ion potassium dioxalate

$$$$ Data

M. F.

C4CrKO8

Suppliers	Catalog Number
MP Biomedicals	05213199

Database	Data ID
PubChem	20541618

M. W.

267.1324

CAS

14217-01-7

Similarity

N/A

ID: 109960

disodium 4,5-dihydroxy-3-[2-(4-nitrophenyl)diazen-1-yl]naphthalene-2,7-disulfona...

$$$$ Data

M. F.

C16H9N3Na2O10S2

Suppliers	Catalog Number
Sigma Aldrich	110396 27130
MP Biomedicals	05213201
Alfa Aesar	L11330

Database	Data ID
PubChem	9566038

M. W.

513.3663

CAS

548-80-1

Similarity

N/A

ID: 109961

tris(formaldehyde) trichloroosmium caesium

$$$$ Data

M. F.

C3H6Cl3CsO3Os

Suppliers	Catalog Number
MP Biomedicals	05213208

Database	Data ID
PubChem	25021354

M. W.

519.57239

CAS

15553-52-3

Similarity

N/A

ID: 109962

dibutyl [(dibutoxyphosphoryl)oxy]phosphonate

$$$$ Data

M. F.

C16H36O7P2

Suppliers	Catalog Number
MP Biomedicals	05213210

Database	Data ID
PubChem	73861

M. W.

402.400362

CAS

1474-75-5

Similarity

N/A

ID: 109963

(butylsulfanyl)(phenyl)methanone

$$$$ Data

M. F.

C11H14OS

Suppliers	Catalog Number
MP Biomedicals	05213211

Database	Data ID
PubChem	12373904

M. W.

194.29326

CAS

7269-35-4

Similarity

N/A

ID: 109964

1-(propylsulfanyl)butane

$$$$ Data

M. F.

C7H16S

Suppliers	Catalog Number
MP Biomedicals	05213213

Database	Data ID
PubChem	294861

M. W.

132.26694

CAS

Similarity

N/A

ID: 109965

1,2-diphenylbenzene

$$$$ Data More

M. F.

C18H14

Suppliers	Catalog Number
Sigma Aldrich	T2800 86467 45800 (more...)
MP Biomedicals	05213219
Alfa Aesar	A19680

Database	Data ID
PubChem	6766

M. W.

230.30376

CAS

84-15-1

Similarity

N/A

ID: 109966

diboranylidyne-1,2,4-tribora-3,5-ditungstacyclopenta-1,3-diene

$$$$ Data

M. F.

B5H7W2

Suppliers	Catalog Number
MP Biomedicals	05213228
Alfa Aesar	41664

Database	Data ID
PubChem	25113386

M. W.

428.79058

CAS

12007-98-6

Similarity

N/A

ID: 109967

heptacosan-14-one

$$$$ Data

M. F.

C27H54O

Suppliers	Catalog Number
MP Biomedicals	05213235
Alfa Aesar	B20191

Database	Data ID
PubChem	10955

M. W.

394.71706

CAS

542-50-7

Similarity

N/A

ID: 109968

1-{[(piperidine-1-carbothioyldisulfanyl)disulfanyl]methanethioyl}piperidine

$$$$ Data

M. F.

C12H20N2S6

Suppliers	Catalog Number
MP Biomedicals	05213244
Bide Pharmatech	BD125801

Database	Data ID
PubChem	61049

M. W.

384.6906

CAS

120-54-7

Similarity

N/A

ID: 109969

(2,4-dinitrophenyl)hydrazine hydrochloride

$$$$ Data

M. F.

C6H7ClN4O4

Suppliers	Catalog Number
MP Biomedicals	05213246

Database	Data ID
PubChem	5463312

M. W.

234.59718

CAS

55907-61-4

Similarity

N/A

ID: 109970

methanesulfonylmethane

$$$$ Data More

M. F.

C2H6O2S

Suppliers	Catalog Number
Sigma Aldrich	M81705 41631 41867
MP Biomedicals	05213252
Alfa Aesar	B21747

Database	Data ID
Wikipedia	Methylsulfonylmethane
PubChem	6213

M. W.

94.13284

CAS

67-71-0

Similarity

N/A

ID: 109971

4-octyl-N-(4-octylphenyl)aniline

$$$$ Data

M. F.

C28H43N

Suppliers	Catalog Number
MP Biomedicals	05213253
Bide Pharmatech	BD125768

Database	Data ID
PubChem	7569

M. W.

393.64772

CAS

26603-23-6

Similarity

N/A

ID: 109972

dioctyl (chloromethyl)phosphonate

$$$$ Data

M. F.

C17H36ClO3P

Suppliers	Catalog Number
MP Biomedicals	05213254

Database	Data ID
PubChem	25021587

M. W.

354.892701

CAS

23756-95-8

Similarity

N/A

ID: 109973

1-{[1-(nonanoyloxy)propan-2-yl]oxy}propan-2-yl nonanoate

$$$$ Data

M. F.

C24H46O5

Suppliers	Catalog Number
MP Biomedicals	05213257

Database	Data ID
PubChem	25008367

M. W.

414.61904

CAS

29059-00-5

Similarity

N/A

ID: 109974

1-methyl-4-(4-methylbenzenesulfinyl)benzene

$$$$ Data More

M. F.

C14H14OS

Suppliers	Catalog Number
Sigma Aldrich	T42803
MP Biomedicals	05213260
Chemik	CHB96103

Database	Data ID
PubChem	15680

M. W.

230.32536

CAS

1774-35-2

Similarity

N/A

ID: 109975

N,N-dimethyldecanamide

$$$$ Data

M. F.

C12H25NO

Suppliers	Catalog Number
MP Biomedicals	05213261
Alfa Aesar	L08731

Database	Data ID
PubChem	26690

M. W.

199.333

CAS

14433-76-2

Similarity

N/A

ID: 109976

4-[(2,4-dinitrophenyl)amino]phenol

$$$$ Data

M. F.

C12H9N3O5

Suppliers	Catalog Number
Sigma Aldrich	225401
MP Biomedicals	05213262

Database	Data ID
PubChem	3858081

M. W.

275.21696

CAS

119-15-3

Similarity

N/A

ID: 109977

4-methyloctadec-4-ene

$$$$ Data

M. F.

C19H38

Suppliers	Catalog Number
MP Biomedicals	05213267

Database	Data ID
PubChem	25021927

M. W.

266.50502

CAS

Similarity

N/A

ID: 109978

4-(cyanomethyl)-4-ethyl-2,6-dioxopiperidine-3-carbonitrile

$$$$ Data

M. F.

C10H11N3O2

Suppliers	Catalog Number
MP Biomedicals	05213269

Database	Data ID
PubChem	44135524

M. W.

205.21324

CAS

Similarity

N/A

ID: 109979

ethyl({2-[ethyl(methyl)amino]ethyl})methylamine

$$$$ Data

M. F.

C8H20N2

Suppliers	Catalog Number
MP Biomedicals	05213271

Database	Data ID
PubChem	66942

M. W.

144.2578

CAS

Similarity

N/A

ID: 109980

2,4-dichlorophenyl N,N-dimethylcarbamate

$$$$ Data

M. F.

C9H9Cl2NO2

Suppliers	Catalog Number
MP Biomedicals	05213273

Database	Data ID
PubChem	226043

M. W.

234.07926

CAS

6639-32-3

Similarity

N/A

ID: 109981

2-[2-(2-carboxy-6-methylphenyl)diazen-1-yl]-3-methylbenzoic acid

$$$$ Data

M. F.

C16H14N2O4

Suppliers	Catalog Number
MP Biomedicals	05213274

Database	Data ID
PubChem	25021513

M. W.

298.29336

CAS

Similarity

N/A

ID: 109982

1,3-dimethyl-1,3-diphenylurea

$$$$ Data

M. F.

C15H16N2O

Suppliers	Catalog Number
Sigma Aldrich	372897
MP Biomedicals	05213277

Database	Data ID
PubChem	11917

M. W.

240.30034

CAS

611-92-7

Similarity

N/A

ID: 109983

(methyldisulfanyl)methane

$$$$ Data

M. F.

C2H6S2

Suppliers	Catalog Number
Sigma Aldrich	D8501 320412 471569 (more...)
MP Biomedicals	05213280
Alfa Aesar	L09679

Database	Data ID
Wikipedia	Dimethyl_disulfide
PubChem	12232

M. W.

94.19904

CAS

624-92-0

Similarity

N/A

ID: 109984

2,5-dimethylhex-3-yne-2,5-diol

$$$$ Data More

M. F.

C8H14O2

Suppliers	Catalog Number
Sigma Aldrich	222623
MP Biomedicals	05213281
Alfa Aesar	B20889

Database	Data ID
PubChem	8883

M. W.

142.19556

CAS

142-30-3

Similarity

N/A

ID: 109985

3,4-dimethyl-1,2-dihydrobiphenylene-1,2-dithione

$$$$ Data

M. F.

C14H10S2

Suppliers	Catalog Number
MP Biomedicals	05213283

Database	Data ID
PubChem	44135541

M. W.

242.3592

CAS

135-58-0

Similarity

N/A

ID: 109986

oxo[(oxodysprosio)oxy]dysprosium

$$$$ Data

M. F.

Dy2O3

Suppliers	Catalog Number
Sigma Aldrich	639664 203181 637289 (more...)
MP Biomedicals	05213287

Database	Data ID
Wikipedia	Dysprosium(III)_oxide
PubChem	4082176

M. W.

372.9982

CAS

1308-87-8

Similarity

N/A

ID: 109987

oxo[(oxoerbio)oxy]erbium

$$$$ Data

M. F.

Er2O3

Suppliers	Catalog Number
Sigma Aldrich	E5250 203238 637343 (more...)
MP Biomedicals	05213288

Database	Data ID
Wikipedia	Erbium(III)_oxide
PubChem	5123419

M. W.

382.5162

CAS

12061-16-4

Similarity

N/A

ID: 109988

indiganetriol

$$$$ Data

M. F.

H3InO3

Suppliers	Catalog Number
Sigma Aldrich	637157 318477
MP Biomedicals	05213290

Database	Data ID
PubChem	6330242

M. W.

165.84002

CAS

20661-21-6

Similarity

N/A

ID: 109989

(2-phenylpropan-2-yl)benzene

$$$$ Data

M. F.

C15H16

Suppliers	Catalog Number
Sigma Aldrich	D211508 43181
MP Biomedicals	05213291

Database	Data ID
PubChem	13065

M. W.

196.28754

CAS

778-22-3

Similarity

N/A

ID: 109990

2,3-dimethylpentane

$$$$ Data

M. F.

C7H16

Suppliers	Catalog Number
Sigma Aldrich	D173207 41085
MP Biomedicals	05213295
Alfa Aesar	43707

Database	Data ID
PubChem	11260

M. W.

100.20194

CAS

565-59-3

Similarity

N/A

ID: 109991

didysprosium(3+) ion octahydrate trisulfate

$$$$ Data

M. F.

Dy2H16O20S3

Suppliers	Catalog Number
Sigma Aldrich	575127 325562
MP Biomedicals	05213297

Database	Data ID
PubChem	16212051

M. W.

757.31004

CAS

10031-50-2

Similarity

N/A

ID: 109992

dysprosium(3+) ion hexahydrate trichloride

$$$$ Data

M. F.

Cl3DyO6

Suppliers	Catalog Number
MP Biomedicals	05213300
Alfa Aesar	11316 11317

Database	Data ID
PubChem	18769437

M. W.

364.8554

CAS

15059-52-6

Similarity

N/A

ID: 109993

disodium 6-methyl-2-{2-[4-(2-{4-[6-(6-methyl-7-sulfonato-1,3-benzothiazol-2-yl)-...

$$$$ Data

M. F.

C42H24N6Na2O6S6

Suppliers	Catalog Number
MP Biomedicals	05213313

Database	Data ID
PubChem	81026

M. W.

947.0461

CAS

6537-66-2

Similarity

N/A

ID: 109994

dierbium(3+) ion octahydrate trisulfate

$$$$ Data

M. F.

Er2H16O20S3

Suppliers	Catalog Number
MP Biomedicals	05213316

Database	Data ID
PubChem	25021617

M. W.

766.82804

CAS

10031-52-4

Similarity

N/A

ID: 109995

(3-hydroxyphenyl)urea

$$$$ Data

M. F.

C7H8N2O2

Suppliers	Catalog Number
Sigma Aldrich	232866
MP Biomedicals	05213318
InterBioScreen	BB_SC-5538

Database	Data ID
PubChem	12796

M. W.

152.15062

CAS

701-82-6

Similarity

N/A

ID: 109996

erbium(3+) ion tris(nitrooxidane)

$$$$ Data

M. F.

ErN3O9

Suppliers	Catalog Number
MP Biomedicals	05213323

Database	Data ID
PubChem	159265

M. W.

353.2737

CAS

10168-80-6

Similarity

N/A

ID: 109997

N-(2-phenylphenyl)benzamide

$$$$ Data

M. F.

C19H15NO

Suppliers	Catalog Number
MP Biomedicals	05213328

Database	Data ID
PubChem	345522

M. W.

273.3285

CAS

20743-57-1

Similarity

N/A

ID: 109998

ethyl 2-bromo-2-ethylbutanoate

$$$$ Data

M. F.

C8H15BrO2

Suppliers	Catalog Number
MP Biomedicals	05213331
TRC	B683460

Database	Data ID
PubChem	237833

M. W.

223.1075

CAS

6937-28-6

Similarity

N/A

ID: 109999

2-benzoyl-5-(dodecyloxy)phenol

$$$$ Data

M. F.

C25H34O3

Suppliers	Catalog Number
MP Biomedicals	05213338

Database	Data ID
PubChem	76330

M. W.

382.53566

CAS

2985-59-3

Similarity

N/A

ID: 110000

icosa-1,7,13,19-tetrayne

$$$$ Data

M. F.

C20H26

Suppliers	Catalog Number
MP Biomedicals	05213340

Database	Data ID
PubChem	25021606

M. W.

266.42044

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