Chembase list of 866358 unique molecular structures

$$$$ Data More

M. F.

C5H6N2O

Suppliers	Catalog Number
Alfa Aesar	H32547
Matrix Scientific	065553
Apollo Scientific	OR6183

Database	Data ID
PubChem	2760056

M. W.

110.11394

CAS

112758-40-4

Similarity

N/A

ID: 60352

methyl 4-formyl-1H-pyrazole-5-carboxylate

$$$$ Data

M. F.

C6H6N2O3

Suppliers	Catalog Number
ChemBridge	4042904
Matrix Scientific	065554

Database	Data ID
PubChem	52644169

M. W.

154.12344

CAS

35344-93-5

Similarity

N/A

ID: 60353

2,2,2-trichloro-1-(1,3-dimethyl-1H-pyrazol-4-yl)ethan-1-one

$$$$ Data

M. F.

C7H7Cl3N2O

Suppliers	Catalog Number
Matrix Scientific	065555

Database	Data ID
PubChem	53491201

M. W.

241.50228

CAS

Similarity

N/A

ID: 60354

2,2,2-trichloro-1-(1,5-dimethyl-1H-pyrazol-4-yl)ethan-1-one

$$$$ Data

M. F.

C7H7Cl3N2O

Suppliers	Catalog Number
Matrix Scientific	065556

Database	Data ID
PubChem	53491202

M. W.

241.50228

CAS

Similarity

N/A

ID: 60355

2,2,2-trichloro-1-(trimethyl-1H-pyrazol-4-yl)ethan-1-one

$$$$ Data

M. F.

C8H9Cl3N2O

Suppliers	Catalog Number
Matrix Scientific	065557

Database	Data ID
PubChem	56760722

M. W.

255.52886

CAS

Similarity

N/A

ID: 60356

2,2,2-trichloro-1-(1-ethyl-3-methyl-1H-pyrazol-4-yl)ethan-1-one

$$$$ Data

M. F.

C8H9Cl3N2O

Suppliers	Catalog Number
Matrix Scientific	065558

Database	Data ID
PubChem	56760723

M. W.

255.52886

CAS

Similarity

N/A

ID: 60357

2,2,2-trichloro-1-(1-ethyl-5-methyl-1H-pyrazol-4-yl)ethan-1-one

$$$$ Data

M. F.

C8H9Cl3N2O

Suppliers	Catalog Number
Matrix Scientific	065559

Database	Data ID
PubChem	56760724

M. W.

255.52886

CAS

Similarity

N/A

ID: 60358

2,2,2-trichloro-1-(1-ethyl-3,5-dimethyl-1H-pyrazol-4-yl)ethan-1-one

$$$$ Data

M. F.

C9H11Cl3N2O

Suppliers	Catalog Number
Matrix Scientific	065560

Database	Data ID
PubChem	56760725

M. W.

269.55544

CAS

Similarity

N/A

ID: 60359

2,2,2-trichloro-1-(1-methyl-1H-pyrazol-4-yl)ethan-1-one

$$$$ Data

M. F.

C6H5Cl3N2O

Suppliers	Catalog Number
Matrix Scientific	065561

Database	Data ID
PubChem	56760726

M. W.

227.4757

CAS

Similarity

N/A

ID: 60360

2,2,2-trichloro-1-(1-ethyl-1H-pyrazol-4-yl)ethan-1-one

$$$$ Data

M. F.

C7H7Cl3N2O

Suppliers	Catalog Number
Matrix Scientific	065562

Database	Data ID
PubChem	56760727

M. W.

241.50228

CAS

Similarity

N/A

ID: 60361

2,2,2-trichloro-1-[1-(propan-2-yl)-1H-pyrazol-4-yl]ethan-1-one

$$$$ Data

M. F.

C8H9Cl3N2O

Suppliers	Catalog Number
Matrix Scientific	065563

Database	Data ID
PubChem	56760728

M. W.

255.52886

CAS

Similarity

N/A

ID: 60362

3-ethyl-1H-pyrazole-5-carboxylic acid

$$$$ Data

M. F.

C6H8N2O2

Suppliers	Catalog Number
ChemBridge	4003315
Matrix Scientific	065564
Enamine	EN300-35862

Database	Data ID
PubChem	4913402

M. W.

140.13992

CAS

4027-59-2

Similarity

N/A

ID: 60363

methyl 1H-pyrazole-4-carboxylate

$$$$ Data More

M. F.

C5H6N2O2

Suppliers	Catalog Number
Matrix Scientific	065565
Apollo Scientific	OR30826
Bide Pharmatech	BD33867

Database	Data ID
PubChem	9793760

M. W.

126.11334

CAS

181997-36-4

Similarity

N/A

ID: 60364

1H-pyrazole-4-carboxamide

$$$$ Data

M. F.

C4H5N3O

Suppliers	Catalog Number
Matrix Scientific	065566
Enamine	EN300-65479

Database	Data ID
PubChem	17854756

M. W.

111.102

CAS

Similarity

N/A

ID: 60365

ethyl 1,2-oxazole-4-carboxylate

$$$$ Data

M. F.

C6H7NO3

Suppliers	Catalog Number
Matrix Scientific	065567
Bide Pharmatech	BD135455
A&J Pharmtech	AJA-O29411

Database	Data ID
PubChem	15590757

M. W.

141.12468

CAS

80370-40-7

Similarity

N/A

ID: 60366

2-(2-methyl-1H-imidazol-1-yl)acetohydrazide

$$$$ Data

M. F.

C6H10N4O

Suppliers	Catalog Number
Matrix Scientific	065568

Database	Data ID
PubChem	5138875

M. W.

154.1698

CAS

Similarity

N/A

ID: 60367

1-(3-methylphenyl)-5-oxopyrrolidine-3-carbohydrazide

$$$$ Data

M. F.

C12H15N3O2

Suppliers	Catalog Number
Matrix Scientific	065569

Database	Data ID
PubChem	53338614

M. W.

233.2664

CAS

Similarity

N/A

ID: 60368

1-(4-methylphenyl)-5-oxopyrrolidine-3-carbohydrazide

$$$$ Data

M. F.

C12H15N3O2

Suppliers	Catalog Number
Matrix Scientific	065570

Database	Data ID
PubChem	2851606

M. W.

233.2664

CAS

Similarity

N/A

ID: 60369

1-(4-fluorophenyl)-5-oxopyrrolidine-3-carbohydrazide

$$$$ Data

M. F.

C11H12FN3O2

Suppliers	Catalog Number
Matrix Scientific	065571

Database	Data ID
PubChem	4216828

M. W.

237.2302832

CAS

Similarity

N/A

ID: 60370

1-(2-methoxyphenyl)-5-oxopyrrolidine-3-carbohydrazide

$$$$ Data

M. F.

C12H15N3O3

Suppliers	Catalog Number
Matrix Scientific	065572

Database	Data ID
PubChem	53338615

M. W.

249.2658

CAS

Similarity

N/A

ID: 60371

1-(4-methoxyphenyl)-5-oxopyrrolidine-3-carbohydrazide

$$$$ Data

M. F.

C12H15N3O3

Suppliers	Catalog Number
Matrix Scientific	065573

Database	Data ID
PubChem	4561657

M. W.

249.2658

CAS

Similarity

N/A

ID: 60372

1-(3-chlorophenyl)-5-oxopyrrolidine-3-carbohydrazide

$$$$ Data

M. F.

C11H12ClN3O2

Suppliers	Catalog Number
Matrix Scientific	065574

Database	Data ID
PubChem	53338616

M. W.

253.68488

CAS

Similarity

N/A

ID: 60373

1-(4-chlorophenyl)-5-oxopyrrolidine-3-carbohydrazide

$$$$ Data

M. F.

C11H12ClN3O2

Suppliers	Catalog Number
Matrix Scientific	065575

Database	Data ID
PubChem	4002741

M. W.

253.68488

CAS

Similarity

N/A

ID: 60374

1-(1-methylpiperidin-4-yl)piperidine-4-carbohydrazide

$$$$ Data

M. F.

C12H24N4O

Suppliers	Catalog Number
Matrix Scientific	065576

Database	Data ID
PubChem	53338617

M. W.

240.34516

CAS

Similarity

N/A

ID: 60375

[4-(piperidine-1-carbonyl)phenyl]methanamine

$$$$ Data

M. F.

C13H18N2O

Suppliers	Catalog Number
ChemBridge	4033460
Matrix Scientific	065577
Enamine	EN300-40754

Database	Data ID
PubChem	7131263

M. W.

218.29482

CAS

292635-34-8

Similarity

N/A

ID: 60376

tert-butyl 4-[(2-methoxy-2-oxoethyl)(methyl)amino]piperidine-1-carboxylate

$$$$ Data

M. F.

C14H26N2O4

Suppliers	Catalog Number
Matrix Scientific	065578

Database	Data ID
PubChem	53338618

M. W.

286.36724

CAS

Similarity

N/A

ID: 60377

4,4-dimethoxy-3-methylbutan-2-one

$$$$ Data

M. F.

C7H14O3

Suppliers	Catalog Number
Matrix Scientific	065579

Database	Data ID
PubChem	10725484

M. W.

146.18426

CAS

Similarity

N/A

ID: 60378

(E)-N'-hydroxy-1-methyl-1H-pyrrole-2-carboximidamide

$$$$ Data

M. F.

C6H9N3O

Suppliers	Catalog Number
Matrix Scientific	065580

Database	Data ID
PubChem	22343319

M. W.

139.15516

CAS

Similarity

N/A

ID: 60379

(E)-N'-hydroxy-5-methylfuran-2-carboximidamide

$$$$ Data

M. F.

C6H8N2O2

Suppliers	Catalog Number
Matrix Scientific	065581

Database	Data ID
PubChem	21864579

M. W.

140.13992

CAS

Similarity

N/A

ID: 60380

3-bromo-5-cyclopropyl-1H-1,2,4-triazole

$$$$ Data

M. F.

C5H6BrN3

Suppliers	Catalog Number
ChemBridge	4034925
Matrix Scientific	065582

Database	Data ID
PubChem	45791233

M. W.

188.02524

CAS

82767-64-4

Similarity

N/A

ID: 60381

5-bromo-2-(propan-2-yl)-1H-imidazole

$$$$ Data

M. F.

C6H9BrN2

Suppliers	Catalog Number
ChemBridge	4042592
Matrix Scientific	065583

Database	Data ID
PubChem	51072286

M. W.

189.05306

CAS

1256643-65-8

Similarity

N/A

ID: 60382

4,5-dibromo-2-(propan-2-yl)-1H-imidazole

$$$$ Data

M. F.

C6H8Br2N2

Suppliers	Catalog Number
Matrix Scientific	065584

Database	Data ID
PubChem	24720915

M. W.

267.94912

CAS

Similarity

N/A

ID: 60383

3-cyclopropyl-1,2,4-oxadiazol-5-ol

$$$$ Data

M. F.

C5H6N2O2

Suppliers	Catalog Number
ChemBridge	4042997
Matrix Scientific	065585

Database	Data ID
PubChem	52342508

M. W.

126.11334

CAS

Similarity

N/A

ID: 60384

3-ethyl-1,2,4-oxadiazol-5-ol

$$$$ Data

M. F.

C4H6N2O2

Suppliers	Catalog Number
ChemBridge	4042769
Matrix Scientific	065586

Database	Data ID
PubChem	12317338

M. W.

114.10264

CAS

Similarity

N/A

ID: 60385

5-methylfuran-2-carbonitrile

$$$$ Data

M. F.

C6H5NO

Suppliers	Catalog Number
Sigma Aldrich	524778
Matrix Scientific	065587
Enamine	EN300-26733

Database	Data ID
PubChem	642108

M. W.

107.11

CAS

13714-86-8

Similarity

N/A

ID: 60386

2-chloro-3-(1,2,4-oxadiazol-3-yl)pyridine

$$$$ Data

M. F.

C7H4ClN3O

Suppliers	Catalog Number
ChemBridge	4042679
Matrix Scientific	065588

Database	Data ID
PubChem	52644160

M. W.

181.57916

CAS

Similarity

N/A

ID: 60387

2-chloropyridine-3-carbonyl chloride

$$$$ Data More

M. F.

C6H3Cl2NO

Suppliers	Catalog Number
Sigma Aldrich	458821
Alfa Aesar	A11048
Matrix Scientific	065589

Database	Data ID
PubChem	2774541

M. W.

176.00012

CAS

49609-84-9

Similarity

N/A

ID: 60388

3-bromo-5-methyl-1,2,4-oxadiazole

$$$$ Data

M. F.

C3H3BrN2O

Suppliers	Catalog Number
ChemBridge	4039731
Matrix Scientific	065590

Database	Data ID
PubChem	51072234

M. W.

162.97272

CAS

1228427-07-3

Similarity

N/A

ID: 60389

5-ethyl-1H-pyrazol-3-ol

$$$$ Data

M. F.

C5H8N2O

Suppliers	Catalog Number
ChemBridge	4042794
Matrix Scientific	065591

Database	Data ID
PubChem	4658963

M. W.

112.12982

CAS

35087-28-6

Similarity

N/A

ID: 60390

2,2,2-trifluoro-N'-hydroxyethanimidamide

$$$$ Data More

M. F.

C2H3F3N2O

Suppliers	Catalog Number
ChemBridge	4043399
Matrix Scientific	065592
Life Chemicals	F2145-0853

Database	Data ID
PubChem	5357115

M. W.

128.0532296

CAS

4314-35-6

Similarity

N/A

ID: 60391

5-(chloromethyl)-3-(trifluoromethyl)-1,2,4-oxadiazole

$$$$ Data

M. F.

C4H2ClF3N2O

Suppliers	Catalog Number
ChemBridge	4043833
Matrix Scientific	065593
A&J Pharmtech	AJA-O19799

Database	Data ID
PubChem	13563301

M. W.

186.5196896

CAS

100442-49-7

Similarity

N/A

ID: 60392

methyl({[3-(trifluoromethyl)-1,2,4-oxadiazol-5-yl]methyl})amine

$$$$ Data

M. F.

C5H6F3N3O

Suppliers	Catalog Number
Matrix Scientific	065594

Database	Data ID
PubChem	56760730

M. W.

181.1158496

CAS

Similarity

N/A

ID: 60393

methyl({1-[3-(trifluoromethyl)-1,2,4-oxadiazol-5-yl]ethyl})amine

$$$$ Data

M. F.

C6H8F3N3O

Suppliers	Catalog Number
Matrix Scientific	065595

Database	Data ID
PubChem	56760731

M. W.

195.1424296

CAS

Similarity

N/A

ID: 60394

5-(1-bromoethyl)-3-(trifluoromethyl)-1,2,4-oxadiazole

$$$$ Data

M. F.

C5H4BrF3N2O

Suppliers	Catalog Number
Matrix Scientific	065596

Database	Data ID
PubChem	56760732

M. W.

244.9972696

CAS

Similarity

N/A

ID: 60395

2-(3-methyl-1,2,4-oxadiazol-5-yl)acetonitrile

$$$$ Data

M. F.

C5H5N3O

Suppliers	Catalog Number
ChemBridge	4043536
Matrix Scientific	065597

Database	Data ID
PubChem	54587860

M. W.

123.1127

CAS

Similarity

N/A

ID: 60396

(Z)-N'-hydroxymethenimidamide

$$$$ Data

M. F.

CH4N2O

Suppliers	Catalog Number
Matrix Scientific	065598

Database	Data ID
PubChem	5354577

M. W.

60.05526

CAS

624-82-8

Similarity

N/A

ID: 60397

ethyl 3-cyanopropanoate

$$$$ Data

M. F.

C6H9NO2

Suppliers	Catalog Number
Matrix Scientific	065599

Database	Data ID
PubChem	82393

M. W.

127.14116

CAS

Similarity

N/A

ID: 60398

6-hydrazinylpyridine-3-carboxylic acid

$$$$ Data

M. F.

C6H7N3O2

Suppliers	Catalog Number
Matrix Scientific	065600
Enamine	EN300-60835
Bide Pharmatech	BD31775

Database	Data ID
PubChem	3782617

M. W.

153.13868

CAS

133081-24-0

Similarity

N/A

ID: 60399

3-amino-[1,2,4]triazolo[4,3-a]pyridine-6-carboxylic acid

$$$$ Data

M. F.

C7H6N4O2

Suppliers	Catalog Number
Matrix Scientific	065601

Database	Data ID
PubChem	56760733

M. W.

178.14814

CAS

Similarity

N/A

ID: 60400

methyl 3,3-dimethoxy-2-methylpropanoate

$$$$ Data

M. F.

C7H14O4

Suppliers	Catalog Number
Matrix Scientific	065602

Database	Data ID
PubChem	3018662

M. W.

162.18366

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