Chembase list of 866358 unique molecular structures

$$$$ Data

M. F.

C8H18Se

Suppliers	Catalog Number
Sigma Aldrich	511501

Database	Data ID
PubChem	4348293

M. W.

193.18852

CAS

34172-60-6

Similarity

N/A

ID: 138452

bis(pentamethylcyclopenta-2,4-dien-1-yl)strontium

$$$$ Data

M. F.

C20H30Sr

Suppliers	Catalog Number
Sigma Aldrich	517429

Database	Data ID
PubChem	71310147

M. W.

358.0722

CAS

112379-48-3

Similarity

N/A

ID: 138453

1-[(1H-1,2,3-benzotriazol-1-yloxy)(pyrrolidin-1-yl)methylidene]-1λ⁵-...

$$$$ Data

M. F.

C15H20F6N5OP

Suppliers	Catalog Number
Sigma Aldrich	420263 12809

Database	Data ID
PubChem	13685355

M. W.

431.3163802

CAS

105379-24-6

Similarity

N/A

ID: 138454

3-ethyl-2-methyl-2-(3-methylbutyl)-1,3-oxazolidine

$$$$ Data

M. F.

C11H23NO

Suppliers	Catalog Number
Sigma Aldrich	446254

Database	Data ID
PubChem	4199499

M. W.

185.30642

CAS

143860-04-2

Similarity

N/A

ID: 138455

tungsten

$$$$ Data

M. F.

Suppliers	Catalog Number
Sigma Aldrich	267554 276324 577294 (more...)
Alfa Aesar	10412 44191 00895 (more...)

Database	Data ID
PubChem	23964

M. W.

183.84

CAS

7440-33-7

Similarity

N/A

ID: 138456

3-{[(1R)-1-(naphthalen-1-yl)ethyl]carbamoyl}propanoic acid

$$$$ Data

M. F.

C16H17NO3

Suppliers	Catalog Number
Sigma Aldrich	461636

Database	Data ID
PubChem	16213040

M. W.

271.31108

CAS

78681-09-1

Similarity

N/A

ID: 138457

N-ethenylacetamide

$$$$ Data

M. F.

C4H7NO

Suppliers	Catalog Number
Sigma Aldrich	522422

Database	Data ID
PubChem	78875

M. W.

85.10448

CAS

5202-78-8

Similarity

N/A

ID: 138458

(2E)-tridec-2-en-1-ol

$$$$ Data

M. F.

C13H26O

Suppliers	Catalog Number
Sigma Aldrich	547131

Database	Data ID
PubChem	5364949

M. W.

198.34494

CAS

68480-25-1

Similarity

N/A

ID: 138459

(2R)-3-methyl-1,1-diphenylbutan-2-amine

$$$$ Data

M. F.

C17H21N

Suppliers	Catalog Number
Sigma Aldrich	551155

Database	Data ID
PubChem	16217108

M. W.

239.35534

CAS

400870-29-3

Similarity

N/A

ID: 138460

2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetrazatetrasilocane

$$$$ Data

M. F.

C8H28N4Si4

Suppliers	Catalog Number
Sigma Aldrich	446211
Alfa Aesar	L16563

Database	Data ID
PubChem	66100

M. W.

292.67672

CAS

1020-84-4

Similarity

N/A

ID: 138461

diholmium(3+) ion hydrate tricarbonate

$$$$ Data

M. F.

C3H2Ho2O10

Suppliers	Catalog Number
Sigma Aldrich	325716
Alfa Aesar	14589

Database	Data ID
PubChem	57350480

M. W.

527.90262

CAS

38245-34-0

Similarity

N/A

ID: 138462

3H,6H-[1,2]dithiolo[4,3-c][1,2]dithiole-3,6-dithione

$$$$ Data

M. F.

C4S6

Suppliers	Catalog Number
Sigma Aldrich	368822

Database	Data ID
PubChem	11651650

M. W.

240.4328

CAS

56423-74-6

Similarity

N/A

ID: 138463

(1S,2R,3R)-1-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]butane-1,2,3,4-tetrol

$$$$ Data

M. F.

C9H18O6

Suppliers	Catalog Number
Sigma Aldrich	374679

Database	Data ID
PubChem	56846520

M. W.

222.23562

CAS

4306-35-8

Similarity

N/A

ID: 138464

1,3,5-trimethyl (1s,3R,5S)-1,3,5-tripropylcyclohexane-1,3,5-tricarboxylate

$$$$ Data

M. F.

C21H36O6

Suppliers	Catalog Number
Sigma Aldrich	436461

Database	Data ID
PubChem	3662046

M. W.

384.50694

CAS

131589-70-3

Similarity

N/A

ID: 138465

gadolinium(3+) ion triperchlorate

$$$$ Data

M. F.

Cl3GdO12

Suppliers	Catalog Number
Sigma Aldrich	443867

Database	Data ID
PubChem	15335704

M. W.

455.6018

CAS

14017-52-8

Similarity

N/A

ID: 138466

scandium

$$$$ Data

M. F.

Suppliers	Catalog Number
Sigma Aldrich	261262 457930 261246 (more...)
Alfa Aesar	40229 43499 12424 (more...)

Database	Data ID
PubChem	23952

M. W.

44.95591

CAS

7440-20-2

Similarity

N/A

ID: 138467

2-phenyl-1,3-dioxolane

$$$$ Data

M. F.

C9H10O2

Suppliers	Catalog Number
Sigma Aldrich	340030

Database	Data ID
PubChem	70293

M. W.

150.1745

CAS

936-51-6

Similarity

N/A

ID: 138468

(2S)-2-{[(tert-butoxy)carbonyl]amino}-3-phenyl(1-¹³C)propa...

$$$$ Data

M. F.

C14H19NO4

Suppliers	Catalog Number
Sigma Aldrich	485969

Database	Data ID
PubChem	16213318

M. W.

266.29761484

CAS

84771-22-2

Similarity

N/A

ID: 138469

4-butoxybenzonitrile

$$$$ Data

M. F.

C11H13NO

Suppliers	Catalog Number
Sigma Aldrich	513113
Alfa Aesar	A16570

Database	Data ID
PubChem	138435

M. W.

175.22702

CAS

5203-14-5

Similarity

N/A

ID: 138470

bis(3-ethylcyclopenta-2,4-dien-1-ide); dichlorotitaniumbis(ylium)

$$$$

M. F.

C14H18Cl2Ti

Suppliers	Catalog Number
Sigma Aldrich	517399

Database

Data ID

M. W.

305.06572

CAS

35625-75-3

Similarity

N/A

ID: 138471

2-ethyl-1,2-benzoxazol-2-ium; tetrafluoroboranuide

$$$$ Data

M. F.

C9H10BF4NO

Suppliers	Catalog Number
Sigma Aldrich	382647

Database	Data ID
PubChem	3083861

M. W.

234.9864128

CAS

4611-62-5

Similarity

N/A

ID: 138472

1-(chloromethyl)-4-[4-(chloromethyl)phenyl]benzene

$$$$ Data

M. F.

C14H12Cl2

Suppliers	Catalog Number
Sigma Aldrich	448753
Bide Pharmatech	BD18775
A&J Pharmtech	AJA-O7397

Database	Data ID
PubChem	74275

M. W.

251.15108

CAS

1667-10-3

Similarity

N/A

ID: 138473

N-[(1R)-1-(naphthalen-1-yl)ethyl]-3,5-dinitrobenzamide

$$$$ Data

M. F.

C19H15N3O5

Suppliers	Catalog Number
Sigma Aldrich	461601

Database	Data ID
PubChem	15038665

M. W.

365.3395

CAS

85922-30-1

Similarity

N/A

ID: 138474

tert-butyl[dimethyl(2,3,4,5-tetramethylcyclopenta-2,4-dien-1-yl)silyl]amine

$$$$ Data

M. F.

C15H29NSi

Suppliers	Catalog Number
Sigma Aldrich	465771

Database	Data ID
PubChem	3533593

M. W.

251.48296

CAS

125542-04-3

Similarity

N/A

ID: 138475

potassium (2R)-2-{[(2E)-4-ethoxy-4-oxobut-2-en-2-yl]amino}-2-phenylacetate

$$$$ Data

M. F.

C14H16KNO4

Suppliers	Catalog Number
Sigma Aldrich	471666
TRC	P327150

Database	Data ID
PubChem	23674861

M. W.

301.37944

CAS

961-69-3

Similarity

N/A

ID: 138476

1-chloro-2-methyl-3-phenylbenzene

$$$$ Data

M. F.

C13H11Cl

Suppliers	Catalog Number
Sigma Aldrich	361623

Database	Data ID
PubChem	4601832

M. W.

202.67944

CAS

20261-24-9

Similarity

N/A

ID: 138477

(2R,3S,4R,5S)-6-(methylamino)hexane-1,2,3,4,5-pentol

$$$$ Data

M. F.

C7H17NO5

Suppliers	Catalog Number
Sigma Aldrich	371106

Database	Data ID
PubChem	12598090

M. W.

195.21358

CAS

7115-46-0

Similarity

N/A

ID: 138478

(1E)-1-{[(2-oxo-1,2-dihydropyridin-1-yl)oxy](pyrrolidin-1-yl)methylidene}-1λ

$$$$ Data

M. F.

C14H20F6N3O2P

Suppliers	Catalog Number
Sigma Aldrich	420298

Database	Data ID
PubChem	21263336

M. W.

407.2916802

CAS

177966-55-1

Similarity

N/A

ID: 138479

lanthanum(3+) ion triperchlorate

$$$$ Data

M. F.

Cl3LaO12

Suppliers	Catalog Number
Sigma Aldrich	443883
Alfa Aesar	11641

Database	Data ID
PubChem	166977

M. W.

437.2573

CAS

14017-46-0

Similarity

N/A

ID: 138480

2,8-bis(methylsulfanyl)-4,6,10,12-tetrathiatricyclo[7.3.0.0³,⁷

$$$$ Data

M. F.

C10H12S8

Suppliers	Catalog Number
Sigma Aldrich	368806

Database	Data ID
PubChem	45045310

M. W.

388.72228

CAS

113019-96-8

Similarity

N/A

ID: 138481

methyl[(1S,2S)-2-(methylamino)-1,2-bis[3-(trifluoromethyl)phenyl]ethyl]amine

$$$$ Data

M. F.

C18H18F6N2

Suppliers	Catalog Number
Sigma Aldrich	371157 707538

Database	Data ID
PubChem	7018190

M. W.

376.3393392

CAS

205873-26-3

Similarity

N/A

ID: 138482

1,3,5-triphenyl-2-[(2,4,6-triphenylphenyl)peroxy]benzene

$$$$ Data

M. F.

C48H34O2

Suppliers	Catalog Number
Sigma Aldrich	272450

Database	Data ID
PubChem	278665

M. W.

642.78236

CAS

72915-92-5

Similarity

N/A

ID: 138483

2-[tris(propan-2-yloxy)methoxy]propane

$$$$ Data

M. F.

C13H28O4

Suppliers	Catalog Number
Sigma Aldrich	280739

Database	Data ID
PubChem	119025

M. W.

248.35902

CAS

36597-49-6

Similarity

N/A

ID: 138484

1,3-diethyl 2-acetamido(2-¹³C)propanedioate

$$$$ Data

M. F.

C9H15NO5

Suppliers	Catalog Number
Sigma Aldrich	281867

Database	Data ID
PubChem	12202161

M. W.

218.21175484

CAS

68882-34-8

Similarity

N/A

ID: 138485

bis(acetyloxy)thallanyl acetate hydrate

$$$$ Data

M. F.

C6H11O7Tl

Suppliers	Catalog Number
Sigma Aldrich	400106

Database	Data ID
PubChem	16717628

M. W.

399.53064

CAS

2570-63-0

Similarity

N/A

ID: 138486

oxozirconiumbis(ylium) hydrate diperchlorate

$$$$ Data

M. F.

Cl2H2O10Zr

Suppliers	Catalog Number
Sigma Aldrich	401382

Database	Data ID
PubChem	71310148

M. W.

324.13988

CAS

Similarity

N/A

ID: 138487

6-oxo-6-[2-(prop-2-enoyloxy)ethoxy]hexyl 6-hydroxyhexanoate

$$$$ Data

M. F.

C17H28O7

Suppliers	Catalog Number
Sigma Aldrich	405302

Database	Data ID
PubChem	4438228

M. W.

344.40002

CAS

80413-52-1

Similarity

N/A

ID: 138488

9,18,27,36,37,39,40,41-octaaza-38-ferradecacyclo[17.17.3.1¹⁰

$$$$ Data

M. F.

C42H32FeN10

Suppliers	Catalog Number
Sigma Aldrich	410160

Database	Data ID
PubChem	71310149

M. W.

732.61548

CAS

20219-84-5

Similarity

N/A

ID: 138489

4,4-dimethyl-1,3-oxazolidine

$$$$ Data

M. F.

C5H11NO

Suppliers	Catalog Number
Sigma Aldrich	417785
A&J Pharmtech	AJA-O11240 AJA-O12966

Database	Data ID
PubChem	62010

M. W.

101.14694

CAS

51200-87-4

Similarity

N/A

ID: 138490

hexakis(²H₃)methylbenzene

$$$$ Data

M. F.

C12H18

Suppliers	Catalog Number
Sigma Aldrich	425397

Database	Data ID
PubChem	6914134

M. W.

162.27132

CAS

4342-40-9

Similarity

N/A

ID: 138491

cerium(3+) ion triperchlorate

$$$$ Data

M. F.

CeCl3O12

Suppliers	Catalog Number
Sigma Aldrich	443840

Database	Data ID
PubChem	166978

M. W.

438.4678

CAS

14017-47-1

Similarity

N/A

ID: 138492

2,3,4,5,6,7,8,9,11,12-decaborabicyclo[8.1.1]dodecane

$$$$ Data

M. F.

C2H12B10

Suppliers	Catalog Number
Sigma Aldrich	379182
Alfa Aesar	45606

Database	Data ID
PubChem	16212388

M. W.

144.22668

CAS

16986-24-6

Similarity

N/A

ID: 138493

2,2-bis({[(2-sulfanylacetyl)oxy]methyl})butyl 2-sulfanylacetate

$$$$ Data

M. F.

C12H20O6S3

Suppliers	Catalog Number
Sigma Aldrich	381497

Database	Data ID
PubChem	82439

M. W.

356.4786

CAS

10193-96-1

Similarity

N/A

ID: 138494

3-(4-aminophenyl)-N-(2-chlorophenyl)-3-oxopropanamide

$$$$ Data

M. F.

C15H13ClN2O2

Suppliers	Catalog Number
Sigma Aldrich	387517

Database	Data ID
PubChem	3264480

M. W.

288.72892

CAS

62253-94-5

Similarity

N/A

ID: 138495

tripropoxypraseodymium

$$$$ Data

M. F.

C9H21O3Pr

Suppliers	Catalog Number
Sigma Aldrich	410144

Database	Data ID
PubChem	71310150

M. W.

318.16889

CAS

19236-14-7

Similarity

N/A

ID: 138496

ethyl 3-(3,4-dimethoxyphenyl)propanoate

$$$$ Data

M. F.

C13H18O4

Suppliers	Catalog Number
Sigma Aldrich	412694

Database	Data ID
PubChem	222974

M. W.

238.27962

CAS

63307-08-4

Similarity

N/A

ID: 138497

sodium hydrate perchlorate

$$$$ Data

M. F.

ClH2NaO5

Suppliers	Catalog Number
Sigma Aldrich	381225 276979 71852 (more...)
Alfa Aesar	A11243 11622

Database	Data ID
PubChem	516899

M. W.

140.45565

CAS

7791-07-3

Similarity

N/A

ID: 138498

(5R)-5-{[(1R,2S,5R)-5-methyl-2-(propan-2-yl)cyclohexyl]oxy}-2,5-dihydrofuran-2-o...

$$$$ Data

M. F.

C14H22O3

Suppliers	Catalog Number
Sigma Aldrich	382698

Database	Data ID
PubChem	10988331

M. W.

238.32268

CAS

77934-87-3

Similarity

N/A

ID: 138499

(methylsulfanyl)methane; bromoborane

$$$$ Data

M. F.

C2H8BBrS

Suppliers	Catalog Number
Sigma Aldrich	255092 262064

Database	Data ID
PubChem	16043495

M. W.

154.86492

CAS

55652-52-3

Similarity

N/A

ID: 138500

2,2,2-trifluoro-N-(7-nitro-9H-fluoren-2-yl)acetamide

$$$$ Data

M. F.

C15H9F3N2O3

Suppliers	Catalog Number
Sigma Aldrich	300268

Database	Data ID
PubChem	18032

M. W.

322.2387696

CAS

2926-70-7

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