Chembase list of 866358 unique molecular structures

dimethylzirconiumbis(ylium); bis(pentamethylcyclopenta-2,4-dien-1-ide)

$$$$ Data

M. F.

C22H36Zr

Suppliers	Catalog Number
Sigma Aldrich	510793

Database	Data ID
PubChem	71311240

M. W.

391.74524

CAS

67108-80-9

Similarity

N/A

ID: 146802

$$$$ Data

M. F.

C3H9BrN

Suppliers	Catalog Number
Sigma Aldrich	513768

Database	Data ID
PubChem	14544808

M. W.

139.01426

CAS

Similarity

N/A

ID: 146803

zirconium(4+) ion disulfate

$$$$ Data

M. F.

O8S2Zr

Suppliers	Catalog Number
Sigma Aldrich	520187
Alfa Aesar	41041

Database	Data ID
PubChem	26793

M. W.

283.3492

CAS

14644-61-2

Similarity

N/A

ID: 146804

(4-bromophenyl)diphenylsulfanium trifluoromethanesulfonate

$$$$ Data

M. F.

C19H14BrF3O3S2

Suppliers	Catalog Number
Sigma Aldrich	527041

Database	Data ID
PubChem	16213839

M. W.

491.3418696

CAS

255056-44-1

Similarity

N/A

ID: 146805

methyl 2-methoxynaphthalene-1-carboxylate

$$$$ Data

M. F.

C13H12O3

Suppliers	Catalog Number
Sigma Aldrich	528536

Database	Data ID
PubChem	604022

M. W.

216.23258

CAS

13343-92-5

Similarity

N/A

ID: 146806

triphenyl(2-phenylethynyl)plumbane

$$$$ Data

M. F.

C26H20Pb

Suppliers	Catalog Number
Sigma Aldrich	529885

Database	Data ID
PubChem	4124243

M. W.

539.637

CAS

5072-98-0

Similarity

N/A

ID: 146807

4-(4-bromophenyl)-4-oxobutanoic acid

$$$$ Data More

M. F.

C10H9BrO3

Suppliers	Catalog Number
Sigma Aldrich	546291
Alfa Aesar	L04008
Enamine	EN300-17020

Database	Data ID
PubChem	80646

M. W.

257.08066

CAS

4592-94-3

Similarity

N/A

ID: 146808

2-chlorotricyclo[9.4.0.0³,⁸]pentadeca-1(15),3,5,7,11,13-he...

Cust $$$$ Data

M. F.

C15H13Cl

Custom Synthesis Information

This compound is available through custom synthesis, please feel free to contact us for a quote.
Email: info@chembase.cn

Suppliers	Catalog Number
Sigma Aldrich	C34308
Alfa Aesar	L05355
Bide Pharmatech	BD15873

Database	Data ID
PubChem	14587

M. W.

228.71672

CAS

1210-33-9

Similarity

N/A

ID: 146809

tetramethylcyclobutane-1,3-dione

$$$$ Data

M. F.

C8H12O2

Suppliers	Catalog Number
Sigma Aldrich	T21008
Alfa Aesar	A16297

Database	Data ID
PubChem	13617

M. W.

140.17968

CAS

933-52-8

Similarity

N/A

ID: 146810

1,3-diphenyl-2-benzofuran

$$$$ Data

M. F.

C20H14O

Suppliers	Catalog Number
Sigma Aldrich	105481 43092
Alfa Aesar	L00101
A&J Pharmtech	AJA-O7102

Database	Data ID
PubChem	21649

M. W.

270.32456

CAS

5471-63-6

Similarity

N/A

ID: 146811

3-methylpent-2-ene

$$$$ Data

M. F.

C6H12

Suppliers	Catalog Number
Sigma Aldrich	68480 111775

Database	Data ID
PubChem	12014

M. W.

84.15948

CAS

922-62-3

Similarity

N/A

ID: 146812

tetraphenylarsanium hydrate chloride hydrochloride

$$$$ Data

M. F.

C24H23AsCl2O

Suppliers	Catalog Number
Sigma Aldrich	147451

Database	Data ID
PubChem	16211271

M. W.

473.26642

CAS

123334-18-9

Similarity

N/A

ID: 146813

(2R,3R,4S,5R)-2-(2-amino-6-sulfanyl-9H-purin-9-yl)-5-(hydroxymethyl)oxolane-3,4-...

$$$$ Data

M. F.

C10H15N5O5S

Suppliers	Catalog Number
Sigma Aldrich	858412

Database	Data ID
PubChem	6419960

M. W.

317.3216

CAS

345909-25-3

Similarity

N/A

ID: 146814

4-methylnonanoic acid

$$$$ Data

M. F.

C10H20O2

Suppliers	Catalog Number
Sigma Aldrich	W357405
Alfa Aesar	A15528

Database	Data ID
PubChem	62003

M. W.

172.2646

CAS

45019-28-1

Similarity

N/A

ID: 146815

butyl benzoate

$$$$ Data

M. F.

C11H14O2

Suppliers	Catalog Number
Sigma Aldrich	W515000 293296 442667
Alfa Aesar	A17010
Enamine	EN300-19222

Database	Data ID
PubChem	8698

M. W.

178.22766

CAS

136-60-7

Similarity

N/A

ID: 146816

1,2-dichlorobutane

$$$$ Data

M. F.

C4H8Cl2

Suppliers	Catalog Number
Sigma Aldrich	105465
Alfa Aesar	B21307

Database	Data ID
PubChem	12017

M. W.

127.01232

CAS

616-21-7

Similarity

N/A

ID: 146817

λ²-iron(2+) ion bis(3-acetylcyclopenta-2,4-dien-1-ide)

$$$$ Data

M. F.

C14H14FeO2

Suppliers	Catalog Number
Sigma Aldrich	106879

Database	Data ID
PubChem	17387583

M. W.

270.10476

CAS

1273-94-5

Similarity

N/A

ID: 146818

(1R,2R,3R,4S)-bicyclo[2.2.1]hept-5-ene-2,3-dicarbonyl dichloride

$$$$ Data

M. F.

C9H8Cl2O2

Suppliers	Catalog Number
Sigma Aldrich	114154

Database	Data ID
PubChem	56846544

M. W.

219.06462

CAS

4582-21-2

Similarity

N/A

ID: 146819

3-(aminomethyl)-3,5,5-trimethylcyclohexan-1-amine

$$$$ Data

M. F.

C10H22N2

Suppliers	Catalog Number
Sigma Aldrich	118184 59180
TRC	I821932
Bide Pharmatech	BD135210

Database	Data ID
PubChem	17857

M. W.

170.29508

CAS

2855-13-2

Similarity

N/A

ID: 146820

{4-[2-(tert-butoxy)-2-oxoethoxy]phenyl}diphenylsulfanium trifluoromethanesulfona...

$$$$ Data

M. F.

C25H25F3O6S2

Suppliers	Catalog Number
Sigma Aldrich	526983

Database	Data ID
PubChem	16213834

M. W.

542.5876096

CAS

180801-55-2

Similarity

N/A

ID: 146821

ethyl (2E)-3-(3-ethoxyphenyl)prop-2-enoate

$$$$ Data

M. F.

C13H16O3

Suppliers	Catalog Number
Sigma Aldrich	528455

Database	Data ID
PubChem	6003776

M. W.

220.26434

CAS

57293-23-9

Similarity

N/A

ID: 146822

scandium(3+) ion hydrate trinitrate

$$$$ Data

M. F.

H2N3O10Sc

Suppliers	Catalog Number
Sigma Aldrich	529788 325902
Alfa Aesar	67104

Database	Data ID
PubChem	60160869

M. W.

248.98589

CAS

107552-14-7

Similarity

N/A

ID: 146823

tetrabutylphosphanium oxidanide

$$$$ Data

M. F.

C16H37OP

Suppliers	Catalog Number
Sigma Aldrich	438294 86930
Alfa Aesar	41718

Database	Data ID
PubChem	84487

M. W.

276.438141

CAS

14518-69-5

Similarity

N/A

ID: 146824

osmium(2+) ion bis(pentamethylcyclopenta-2,4-dien-1-ide)

$$$$ Data

M. F.

C20H30Os

Suppliers	Catalog Number
Sigma Aldrich	442054

Database	Data ID
PubChem	50919664

M. W.

460.6822

CAS

100603-32-5

Similarity

N/A

ID: 146825

(²H₁₁)piperidine

$$$$ Data

M. F.

C5H11N

Suppliers	Catalog Number
Sigma Aldrich	448141

Database	Data ID
PubChem	16212919

M. W.

85.14754

CAS

143317-90-2

Similarity

N/A

ID: 146826

2-chloro(²H₄)phenol

$$$$ Data

M. F.

C6H5ClO

Suppliers	Catalog Number
Sigma Aldrich	449423

Database	Data ID
PubChem	16212938

M. W.

128.5563

CAS

93951-73-6

Similarity

N/A

ID: 146827

(²H₅₀)tetracosane

$$$$ Data

M. F.

C24H50

Suppliers	Catalog Number
Sigma Aldrich	451770

Database	Data ID
PubChem	27870

M. W.

338.6538

CAS

16416-32-3

Similarity

N/A

ID: 146828

(3R,7aS)-7a-methyl-3-(propan-2-yl)-2H,3H,5H,7aH-pyrrolo[2,1-b][1,3]oxazol-5-one

$$$$ Data

M. F.

C10H15NO2

Suppliers	Catalog Number
Sigma Aldrich	458546

Database	Data ID
PubChem	2733463

M. W.

181.2316

CAS

302911-94-0

Similarity

N/A

ID: 146829

bis(dioxo-1,3-dioxa-2-lanthanacyclopentan-2-yl) oxalate hydrate

$$$$ Data

M. F.

C6H2La2O13

Suppliers	Catalog Number
Sigma Aldrich	461024

Database	Data ID
PubChem	71311241

M. W.

559.88328

CAS

79079-18-8

Similarity

N/A

ID: 146830

bis(dioxo-1,3-dioxa-2-thulacyclopentan-2-yl) oxalate hydrate

$$$$ Data

M. F.

C6H2O13Tm2

Suppliers	Catalog Number
Sigma Aldrich	463868

Database	Data ID
PubChem	16213071

M. W.

619.9407

CAS

58176-73-1

Similarity

N/A

ID: 146831

dichloro(²H₃)phenol

$$$$ Data

M. F.

C6H4Cl2O

Suppliers	Catalog Number
Sigma Aldrich	487589 442880

Database	Data ID
PubChem	16212887

M. W.

163.00136

CAS

93951-74-7

Similarity

N/A

ID: 146832

(1R,2R,4R,7R)-9,9-dimethyl-3,8,10-trioxatricyclo[5.3.0.0²,⁴

$$$$ Data

M. F.

C9H12O3

Suppliers	Catalog Number
Sigma Aldrich	490881

Database	Data ID
PubChem	10909948

M. W.

168.18978

CAS

145107-27-3

Similarity

N/A

ID: 146833

2-[(²H₃)methylamino]acetic acid

$$$$ Data

M. F.

C3H7NO2

Suppliers	Catalog Number
Sigma Aldrich	493120
TRC	S140502

Database	Data ID
PubChem	16213596

M. W.

89.09318

CAS

118685-91-9

Similarity

N/A

ID: 146834

bromo(1-phenylethenyl)zinc

$$$$ Data

M. F.

C8H7BrZn

Suppliers	Catalog Number
Sigma Aldrich	499390

Database	Data ID
PubChem	4071893

M. W.

248.42518

CAS

151073-86-8

Similarity

N/A

ID: 146835

tert-butyl(2-methylbut-3-en-2-yl)amine

$$$$ Data

M. F.

C9H19N

Suppliers	Catalog Number
Sigma Aldrich	513717

Database	Data ID
PubChem	14477

M. W.

141.25386

CAS

40137-02-8

Similarity

N/A

ID: 146836

dibenzyl oxalate

$$$$ Data

M. F.

C16H14O4

Suppliers	Catalog Number
Sigma Aldrich	518034
Bide Pharmatech	BD124185

Database	Data ID
PubChem	82058

M. W.

270.27996

CAS

7579-36-4

Similarity

N/A

ID: 146837

(3aR,6S,7aR)-2,2,5',5'-tetramethyl-tetrahydro-2H-spiro[[1,3]dioxolo[4,5-c]pyran-...

$$$$ Data

M. F.

C12H18O6

Suppliers	Catalog Number
Sigma Aldrich	520160
Alfa Aesar	L18989

Database	Data ID
PubChem	7275400

M. W.

258.26772

CAS

18422-53-2

Similarity

N/A

ID: 146838

5-methyl-2,3-dihydro-1H-isoindole-1,3-dione

$$$$ Data

M. F.

C9H7NO2

Suppliers	Catalog Number
Sigma Aldrich	521701

Database	Data ID
PubChem	5148269

M. W.

161.15738

CAS

40314-06-5

Similarity

N/A

ID: 146839

2,6-dinonylnaphthalene-1,5-disulfonic acid

$$$$ Data

M. F.

C28H44O6S2

Suppliers	Catalog Number
Sigma Aldrich	522988

Database	Data ID
PubChem	57358299

M. W.

540.77536

CAS

60223-95-2

Similarity

N/A

ID: 146840

tetrabromobenzene-1,4-dicarboxylic acid

$$$$ Data

M. F.

C8H2Br4O4

Suppliers	Catalog Number
Sigma Aldrich	524441

Database	Data ID
PubChem	224162

M. W.

481.71508

CAS

5411-70-1

Similarity

N/A

ID: 146841

(4-fluorophenyl)diphenylsulfanium trifluoromethanesulfonate

$$$$ Data

M. F.

C19H14F4O3S2

Suppliers	Catalog Number
Sigma Aldrich	527025

Database	Data ID
PubChem	16213837

M. W.

430.4362728

CAS

154093-57-9

Similarity

N/A

ID: 146842

(3S)-pyrrolidin-3-amine

$$$$ Data

M. F.

C4H10N2

Suppliers	Catalog Number
Sigma Aldrich	540803
Alfa Aesar	L19500
A&J Pharmtech	AJA-O281

Database	Data ID
PubChem	1519351

M. W.

86.1356

CAS

128345-57-3

Similarity

N/A

ID: 146843

butane-1,4-dithiol

$$$$ Data

M. F.

C4H10S2

Suppliers	Catalog Number
Sigma Aldrich	B85404 W520802 19020

Database	Data ID
PubChem	79148

M. W.

122.2522

CAS

1191-08-8

Similarity

N/A

ID: 146844

2-(propan-2-yl)benzene-1-thiol

$$$$ Data

M. F.

C9H12S

Suppliers	Catalog Number
Sigma Aldrich	I27503

Database	Data ID
PubChem	96003

M. W.

152.25658

CAS

6262-87-9

Similarity

N/A

ID: 146845

5-methylpyrrolidin-2-one

$$$$ Data

M. F.

C5H9NO

Suppliers	Catalog Number
Sigma Aldrich	M79700
Enamine	EN300-82151

Database	Data ID
PubChem	66055

M. W.

99.13106

CAS

108-27-0

Similarity

N/A

ID: 146846

(1R,2S)-2-phenylcyclopropan-1-amine hydrochloride

$$$$ Data

M. F.

C9H12ClN

Suppliers	Catalog Number
Sigma Aldrich	P8511 P22370
TRC	P319680

Database	Data ID
PubChem	2723716

M. W.

169.65128

CAS

1986-47-6

Similarity

N/A

ID: 146847

2-{4-[4-(2-hydroxyethoxy)benzenesulfonyl]phenoxy}ethan-1-ol

$$$$ Data

M. F.

C16H18O6S

Suppliers	Catalog Number
Sigma Aldrich	476242

Database	Data ID
PubChem	95071

M. W.

338.37552

CAS

27205-03-4

Similarity

N/A

ID: 146848

(2S)-1,1,1-trifluoroheptan-2-ol

$$$$ Data

M. F.

C7H13F3O

Suppliers	Catalog Number
Sigma Aldrich	532525

Database	Data ID
PubChem	7020596

M. W.

170.1727296

CAS

130025-35-3

Similarity

N/A

ID: 146849

bis(dioxo-1,3-dioxa-2-scandacyclopentan-2-yl) oxalate hydrate

$$$$ Data

M. F.

C6H2O13Sc2

Suppliers	Catalog Number
Sigma Aldrich	463833

Database	Data ID
PubChem	71311242

M. W.

371.9841

CAS

17926-77-1

Similarity

N/A

ID: 146850

(1s,4s)-4-(2-aminopropan-2-yl)-1-methylcyclohexan-1-amine

$$$$ Data

M. F.

C10H22N2

Suppliers	Catalog Number
Sigma Aldrich	469564

Database	Data ID
PubChem	6650

M. W.

170.29508

CAS

54166-24-4

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