Chembase list of 866358 unique molecular structures

ethyl (3E)-3-cyano-4-(dimethylamino)-2-oxobut-3-enoate

$$$$ Data

M. F.

C9H12N2O3

Suppliers	Catalog Number
Matrix Scientific	067010

Database	Data ID
PubChem	5923235

M. W.

196.20318

CAS

Similarity

N/A

ID: 61752

ethyl 3-(dimethylamino)-2-methanesulfonylprop-2-enoate

$$$$ Data

M. F.

C8H15NO4S

Suppliers	Catalog Number
Matrix Scientific	067011
Key Organics	KF-0723

Database	Data ID
PubChem	22714262

M. W.

221.274

CAS

Similarity

N/A

ID: 61753

ethyl 1H-pyrrolo[2,3-b]pyridine-4-carboxylate

$$$$ Data More

M. F.

C10H10N2O2

Suppliers	Catalog Number
Alfa Aesar	H34250
Matrix Scientific	067012
Key Organics	LF-0736

Database	Data ID
PubChem	56773892

M. W.

190.1986

CAS

351439-07-1

Similarity

N/A

ID: 61754

3-fluoro-5-formylbenzonitrile

$$$$ Data

M. F.

C8H4FNO

Suppliers	Catalog Number
Matrix Scientific	067013
Key Organics	LF-0225
Bide Pharmatech	BD160617

Database	Data ID
PubChem	44754917

M. W.

149.1218632

CAS

1003708-42-6

Similarity

N/A

ID: 61755

4-fluoro-3-methylbenzene-1-thiol

$$$$ Data

M. F.

C7H7FS

Suppliers	Catalog Number
Matrix Scientific	067014
Key Organics	LF-0716

Database	Data ID
PubChem	2759042

M. W.

142.1938832

CAS

845790-87-6

Similarity

N/A

ID: 61756

5-formyl-2-methanesulfonylbenzonitrile

$$$$ Data

M. F.

C9H7NO3S

Suppliers	Catalog Number
Matrix Scientific	067015
Key Organics	KF-0747

Database	Data ID
PubChem	56773893

M. W.

209.22178

CAS

Similarity

N/A

ID: 61757

7-hydroxy-4-{[4-(hydroxymethyl)piperidin-1-yl]methyl}-2H-chromen-2-one

$$$$ Data

M. F.

C16H19NO4

Suppliers	Catalog Number
Matrix Scientific	067016
Key Organics	LF-0001

Database	Data ID
PubChem	56828263

M. W.

289.32636

CAS

Similarity

N/A

ID: 61758

7-hydroxy-4-(morpholin-4-ylmethyl)-2H-chromen-2-one

$$$$ Data

M. F.

C14H15NO4

Suppliers	Catalog Number
Matrix Scientific	067017
Key Organics	KF-0034

Database	Data ID
PubChem	5490061

M. W.

261.2732

CAS

Similarity

N/A

ID: 61759

7-hydroxy-4-(pyrrolidin-1-ylmethyl)-2H-chromen-2-one

$$$$ Data

M. F.

C14H15NO3

Suppliers	Catalog Number
Matrix Scientific	067018
Key Organics	KF-0058

Database	Data ID
PubChem	8475506

M. W.

245.2738

CAS

Similarity

N/A

ID: 61760

1H-indole-2-carbonitrile

$$$$ Data

M. F.

C9H6N2

Suppliers	Catalog Number
Matrix Scientific	067019
Key Organics	5P-050

Database	Data ID
PubChem	3787599

M. W.

142.15734

CAS

36193-65-4

Similarity

N/A

ID: 61761

2-methanesulfonylpyridine-3-carbaldehyde

$$$$ Data

M. F.

C7H7NO3S

Suppliers	Catalog Number
Matrix Scientific	067020
Key Organics	KF-0738

Database	Data ID
PubChem	56773894

M. W.

185.20038

CAS

Similarity

N/A

ID: 61762

methyl 3-amino-6-chlorothieno[2,3-b]1,8-naphthyridine-2-carboxylate

$$$$ Data

M. F.

C12H8ClN3O2S

Suppliers	Catalog Number
Matrix Scientific	067021
Key Organics	KF-0732

Database	Data ID
PubChem	56773895

M. W.

293.72882

CAS

Similarity

N/A

ID: 61763

methyl 5-bromo-2-(2-methoxy-2-oxoethoxy)benzoate

$$$$ Data

M. F.

C11H11BrO5

Suppliers	Catalog Number
Matrix Scientific	067022
Key Organics	LF-0707

Database	Data ID
PubChem	56773896

M. W.

303.10604

CAS

Similarity

N/A

ID: 61764

1-methyl-5-(4-nitrophenyl)-1H-pyrazole

$$$$ Data

M. F.

C10H9N3O2

Suppliers	Catalog Number
Matrix Scientific	067023
Key Organics	LF-0700

Database	Data ID
PubChem	12581094

M. W.

203.19736

CAS

Similarity

N/A

ID: 61765

4-oxo-4H-pyrido[1,2-a]pyrimidine-9-carbaldehyde

$$$$ Data

M. F.

C9H6N2O2

Suppliers	Catalog Number
Matrix Scientific	067024
Key Organics	LF-0701

Database	Data ID
PubChem	56773897

M. W.

174.15614

CAS

Similarity

N/A

ID: 61766

4-tert-butylpyrimidin-2-amine

$$$$ Data

M. F.

C8H13N3

Suppliers	Catalog Number
Matrix Scientific	067025
Key Organics	KF-0744

Database	Data ID
PubChem	12450631

M. W.

151.20892

CAS

17321-94-7

Similarity

N/A

ID: 61767

4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-3-amine

$$$$ Data

M. F.

C7H5F3N4

Suppliers	Catalog Number
Matrix Scientific	067026
Key Organics	KF-0720

Database	Data ID
PubChem	56773898

M. W.

202.1366096

CAS

Similarity

N/A

ID: 61768

3,3-dimethoxyoxetane

$$$$ Data

M. F.

C5H10O3

Suppliers	Catalog Number
Matrix Scientific	067030

Database	Data ID
PubChem	15947203

M. W.

118.1311

CAS

Similarity

N/A

ID: 61769

oxetan-3-yl 4-methylbenzene-1-sulfonate

$$$$ Data

M. F.

C10H12O4S

Suppliers	Catalog Number
Sigma Aldrich	L500054
Alfa Aesar	H57569
Matrix Scientific	067031

Database	Data ID
PubChem	13153907

M. W.

228.26488

CAS

26272-83-3

Similarity

N/A

ID: 61770

benzyl 2-(oxetan-3-ylidene)acetate

$$$$ Data

M. F.

C12H12O3

Suppliers	Catalog Number
Matrix Scientific	067033

Database	Data ID
PubChem	54759148

M. W.

204.22188

CAS

1242160-03-7

Similarity

N/A

ID: 61771

ethyl 2-(oxetan-3-ylidene)acetate

$$$$ Data More

M. F.

C7H10O3

Suppliers	Catalog Number
Sigma Aldrich	L500046
Matrix Scientific	067034
Bide Pharmatech	BD226147

Database	Data ID
PubChem	53308471

M. W.

142.1525

CAS

922500-91-2

Similarity

N/A

ID: 61772

3-(nitromethylidene)oxetane

$$$$ Data

M. F.

C4H5NO3

Suppliers	Catalog Number
Matrix Scientific	067035
A&J Pharmtech	AJA-O13199

Database	Data ID
PubChem	53346596

M. W.

115.0874

CAS

922500-95-6

Similarity

N/A

ID: 61773

2-(oxetan-3-yl)acetic acid

$$$$ Data

M. F.

C5H8O3

Suppliers	Catalog Number
Matrix Scientific	067036

Database	Data ID
PubChem	54758977

M. W.

116.11522

CAS

1310381-54-4

Similarity

N/A

ID: 61774

oxetan-3-ylmethanamine

$$$$ Data More

M. F.

C4H9NO

Suppliers	Catalog Number
Alfa Aesar	H57425
Matrix Scientific	067037
Bide Pharmatech	BD168610

Database	Data ID
PubChem	46840007

M. W.

87.12036

CAS

6246/5/5

Similarity

N/A

ID: 61775

2-(3-methyloxetan-3-yl)acetic acid

$$$$ Data

M. F.

C6H10O3

Suppliers	Catalog Number
Matrix Scientific	067038

Database	Data ID
PubChem	54758973

M. W.

130.1418

CAS

933727-35-6

Similarity

N/A

ID: 61776

3-methyloxetan-3-ol

$$$$ Data

M. F.

C4H8O2

Suppliers	Catalog Number
Matrix Scientific	067039

Database	Data ID
PubChem	22918788

M. W.

88.10512

CAS

162816-08-2

Similarity

N/A

ID: 61777

2-(oxetan-3-yl)ethan-1-ol

$$$$ Data

M. F.

C5H10O2

Suppliers	Catalog Number
Matrix Scientific	067040

Database	Data ID
PubChem	10844345

M. W.

102.1317

CAS

251922-46-0

Similarity

N/A

ID: 61778

2-(3-methyloxetan-3-yl)ethan-1-ol

$$$$ Data

M. F.

C6H12O2

Suppliers	Catalog Number
Matrix Scientific	067041

Database	Data ID
PubChem	53346581

M. W.

116.15828

CAS

88214-48-6

Similarity

N/A

ID: 61779

3-ethynyloxetan-3-ol

$$$$ Data

M. F.

C5H6O2

Suppliers	Catalog Number
Matrix Scientific	067042

Database	Data ID
PubChem	56777520

M. W.

98.09994

CAS

Similarity

N/A

ID: 61780

3-(prop-2-yn-1-yl)oxetan-3-ol

$$$$ Data

M. F.

C6H8O2

Suppliers	Catalog Number
Matrix Scientific	067043

Database	Data ID
PubChem	56777521

M. W.

112.12652

CAS

Similarity

N/A

ID: 61781

3-(aminomethyl)oxetan-3-ol

$$$$ Data

M. F.

C4H9NO2

Suppliers	Catalog Number
Matrix Scientific	067044

Database	Data ID
PubChem	53346592

M. W.

103.11976

CAS

1305208-47-2

Similarity

N/A

ID: 61782

2-oxa-6-azaspiro[3.3]heptane

$$$$ Data

M. F.

C5H9NO

Suppliers	Catalog Number
Matrix Scientific	067045
Life Chemicals	F2165-0031
Enamine	EN300-89755

Database	Data ID
PubChem	23111887

M. W.

99.13106

CAS

1045709-32-7

Similarity

N/A

ID: 61783

bis(6-oxa-1-azaspiro[3.3]heptane); oxalic acid

$$$$ Data

M. F.

C12H20N2O6

Suppliers	Catalog Number
Matrix Scientific	067046
Bide Pharmatech	BD251395

Database	Data ID
PubChem	71299818

M. W.

288.297

CAS

1380571-72-1

Similarity

N/A

ID: 61784

bis(2-oxa-5-azaspiro[3.4]octane); oxalic acid

$$$$ Data

M. F.

C14H24N2O6

Suppliers	Catalog Number
Matrix Scientific	067047

Database	Data ID
PubChem	71299819

M. W.

316.35016

CAS

Similarity

N/A

ID: 61785

2-oxa-6-azaspiro[3.4]octane

$$$$ Data

M. F.

C6H11NO

Suppliers	Catalog Number
Sigma Aldrich	L500534
Alfa Aesar	H57579
Matrix Scientific	067048

Database	Data ID
PubChem	53438323

M. W.

113.15764

CAS

220290-68-6

Similarity

N/A

ID: 61786

2-oxa-5-azaspiro[3.5]nonane

$$$$ Data

M. F.

C7H13NO

Suppliers	Catalog Number
Matrix Scientific	067049

Database	Data ID
PubChem	53484586

M. W.

127.18422

CAS

1046153-04-1

Similarity

N/A

ID: 61787

2-oxa-6-azaspiro[3.5]nonane

$$$$ Data

M. F.

C7H13NO

Suppliers	Catalog Number
Matrix Scientific	067050
Apollo Scientific	OR17716

Database	Data ID
PubChem	51341945

M. W.

127.18422

CAS

1046153-20-1

Similarity

N/A

ID: 61788

tert-butyl 2,6-diazaspiro[3.3]heptane-2-carboxylate

$$$$ Data

M. F.

C10H18N2O2

Suppliers	Catalog Number
ChemBridge	4038711
Matrix Scientific	067052
Bide Pharmatech	BD159905

Database	Data ID
PubChem	40151981

M. W.

198.26212

CAS

1041026-70-3

Similarity

N/A

ID: 61789

2-azaspiro[3.3]heptane

$$$$ Data

M. F.

C6H11N

Suppliers	Catalog Number
Matrix Scientific	067053
Enamine	EN300-88657

Database	Data ID
PubChem	20521856

M. W.

97.15824

CAS

665-04-3

Similarity

N/A

ID: 61790

2-(diphenylmethyl)-2-azaspiro[3.3]heptan-5-one

$$$$ Data

M. F.

C19H19NO

Suppliers	Catalog Number
Matrix Scientific	067054

Database	Data ID
PubChem	54759124

M. W.

277.36026

CAS

1263296-80-5

Similarity

N/A

ID: 61791

2-(diphenylmethyl)-2-azaspiro[3.3]heptan-5-ol

$$$$ Data

M. F.

C19H21NO

Suppliers	Catalog Number
Matrix Scientific	067055

Database	Data ID
PubChem	54759125

M. W.

279.37614

CAS

1263296-81-6

Similarity

N/A

ID: 61792

2-oxa-6-azaspiro[3.4]octan-7-one

$$$$ Data

M. F.

C6H9NO2

Suppliers	Catalog Number
Sigma Aldrich	L500119
Matrix Scientific	067056
Bide Pharmatech	BD235227

Database	Data ID
PubChem	53484295

M. W.

127.14116

CAS

1207174-87-5

Similarity

N/A

ID: 61793

2,6-dioxaspiro[3.3]heptane

$$$$ Data

M. F.

C5H8O2

Suppliers	Catalog Number
Matrix Scientific	067057

Database	Data ID
PubChem	9089

M. W.

100.11582

CAS

174-79-8

Similarity

N/A

ID: 61794

2-chloro-7H-pyrrolo[2,3-d]pyrimidine

$$$$ Data More

M. F.

C6H4ClN3

Suppliers	Catalog Number
Matrix Scientific	067058
Apollo Scientific	OR8407
TRC	C379895

Database	Data ID
PubChem	5706774

M. W.

153.56906

CAS

335654-06-3

Similarity

N/A

ID: 61795

(2S,4S)-1-[(benzyloxy)carbonyl]-4-hydroxypyrrolidine-2-carboxylic acid; N-cycloh...

$$$$ Data

M. F.

C25H38N2O5

Suppliers	Catalog Number
Matrix Scientific	067059

Database	Data ID
PubChem	56777522

M. W.

446.57962

CAS

Similarity

N/A

ID: 61796

1,4-dichlorophthalazine

$$$$ Data More

M. F.

C8H4Cl2N2

Suppliers	Catalog Number
Sigma Aldrich	126020
Alfa Aesar	H33295
Matrix Scientific	067060

Database	Data ID
PubChem	78490

M. W.

199.03676

CAS

4752-10-7

Similarity

N/A

ID: 61797

1-bromo-3-chloro-5-(trifluoromethyl)benzene

$$$$ Data More

M. F.

C7H3BrClF3

Suppliers	Catalog Number
Matrix Scientific	067061
Chemik	CHB54034
Bide Pharmatech	BD215229

Database	Data ID
PubChem	20269855

M. W.

259.4509296

CAS

928783-85-1

Similarity

N/A

ID: 61798

1-bromo-2-chloro-4-(trifluoromethyl)benzene

$$$$ Data

M. F.

C7H3BrClF3

Suppliers	Catalog Number
Matrix Scientific	067062
Apollo Scientific	PC6198
Bide Pharmatech	BD33578

Database	Data ID
PubChem	14273266

M. W.

259.4509296

CAS

402-04-0

Similarity

N/A

ID: 61799

2-bromo-4-chloro-1-fluorobenzene

$$$$ Data More

M. F.

C6H3BrClF

Suppliers	Catalog Number
Sigma Aldrich	548685
Alfa Aesar	H25935
Matrix Scientific	067063

Database	Data ID
PubChem	2773264

M. W.

209.4434232

CAS

1996-30-1

Similarity

N/A

ID: 61800

1-bromo-2-chloro-4-fluorobenzene

$$$$ Data More

M. F.

C6H3BrClF

Suppliers	Catalog Number
Alfa Aesar	B25538
Matrix Scientific	067064
Apollo Scientific	PC1347

Database	Data ID
PubChem	2733406

M. W.

209.4434232

CAS

110407-59-5

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