Chembase list of 866358 unique molecular structures

$$$$ Data

M. F.

C4H5BrO2

Suppliers	Catalog Number
Sigma Aldrich	212970 17550

Database	Data ID
PubChem	558884

M. W.

164.9853

CAS

72707-66-5

Similarity

N/A

ID: 145752

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

$$$$ Data

M. F.

C20H30Cl4Ir2

Suppliers	Catalog Number
Sigma Aldrich	357537

Database	Data ID
PubChem	71311186

M. W.

796.6982

CAS

12354-84-6

Similarity

N/A

ID: 145753

hept-6-enoic acid

$$$$ Data

M. F.

C7H12O2

Suppliers	Catalog Number
Sigma Aldrich	358940
Alfa Aesar	L13144

Database	Data ID
PubChem	70705

M. W.

128.16898

CAS

1119-60-4

Similarity

N/A

ID: 145754

(1R)-2-chloro-1-phenylethan-1-ol

$$$$ Data

M. F.

C8H9ClO

Suppliers	Catalog Number
Sigma Aldrich	363561 25903
Alfa Aesar	L19067

Database	Data ID
PubChem	7018857

M. W.

156.60946

CAS

56751-12-3

Similarity

N/A

ID: 145755

[bis(tert-butoxy)phosphanyl]diethylamine

$$$$ Data

M. F.

C12H28NO2P

Suppliers	Catalog Number
Sigma Aldrich	365963 34686
TRC	D429300

Database	Data ID
PubChem	4251849

M. W.

249.329981

CAS

117924-33-1

Similarity

N/A

ID: 145756

ethyl(pyridin-4-ylmethyl)amine

$$$$ Data

M. F.

C8H12N2

Suppliers	Catalog Number
Sigma Aldrich	367095
Alfa Aesar	L13714
A&J Pharmtech	AJA-O8997 AJA-O8133 AJA-O9088

Database	Data ID
PubChem	96681

M. W.

136.19428

CAS

33403-97-3

Similarity

N/A

ID: 145757

6-methoxy-1H,2H,3H,4H,9H-pyrido[3,4-b]indole hydrochloride

$$$$ Data

M. F.

C12H15ClN2O

Suppliers	Catalog Number
Sigma Aldrich	371858

Database	Data ID
PubChem	215482

M. W.

238.7133

CAS

35764-54-6

Similarity

N/A

ID: 145758

octane-1-sulfonyl chloride

$$$$ Data

M. F.

C8H17ClO2S

Suppliers	Catalog Number
Sigma Aldrich	374199 74883
Alfa Aesar	A15440
Bide Pharmatech	BD59952

Database	Data ID
PubChem	82261

M. W.

212.73738

CAS

7795-95-1

Similarity

N/A

ID: 145759

ethyl 2-oxo-4-phenylbutanoate

$$$$ Data

M. F.

C12H14O3

Suppliers	Catalog Number
Sigma Aldrich	375322 75942
Alfa Aesar	B20148
Bide Pharmatech	BD22017

Database	Data ID
PubChem	562087

M. W.

206.23776

CAS

64920-29-2

Similarity

N/A

ID: 145760

2-(3,4-dimethoxyphenyl)acetyl chloride

$$$$ Data

M. F.

C10H11ClO3

Suppliers	Catalog Number
Sigma Aldrich	237477

Database	Data ID
PubChem	3604458

M. W.

214.64554

CAS

10313-60-7

Similarity

N/A

ID: 145761

diethylpropanedioic acid

$$$$ Data

M. F.

C7H12O4

Suppliers	Catalog Number
Sigma Aldrich	246549

Database	Data ID
PubChem	68185

M. W.

160.16778

CAS

510-20-3

Similarity

N/A

ID: 145762

N,N-bis(propan-2-yl){[bis(propan-2-yl)carbamothioyl]disulfanyl}carbothioamide

$$$$ Data

M. F.

C14H28N2S4

Suppliers	Catalog Number
Sigma Aldrich	251232

Database	Data ID
PubChem	95876

M. W.

352.64552

CAS

4136-91-8

Similarity

N/A

ID: 145763

2-(phenylselanyl)-2,3-dihydro-1H-isoindole-1,3-dione

$$$$ Data

M. F.

C14H9NO2Se

Suppliers	Catalog Number
Sigma Aldrich	254614
Alfa Aesar	B21125

Database	Data ID
PubChem	590397

M. W.

302.18676

CAS

71098-88-9

Similarity

N/A

ID: 145764

[2-(chloromethyl)prop-2-en-1-yl]trimethylsilane

$$$$ Data

M. F.

C7H15ClSi

Suppliers	Catalog Number
Sigma Aldrich	318345 25037

Database	Data ID
PubChem	4440923

M. W.

162.7325

CAS

18388-03-9

Similarity

N/A

ID: 145765

(2E)-1-(acetyloxy)but-2-en-1-yl acetate

$$$$ Data

M. F.

C8H12O4

Suppliers	Catalog Number
Sigma Aldrich	327530

Database	Data ID
PubChem	5355874

M. W.

172.17848

CAS

78267-54-6

Similarity

N/A

ID: 145766

ethyl (2E)-3-phenylbut-2-enoate

$$$$ Data

M. F.

C12H14O2

Suppliers	Catalog Number
Sigma Aldrich	332259
TRC	E925150

Database	Data ID
PubChem	5354836

M. W.

190.23836

CAS

1504-72-9

Similarity

N/A

ID: 145767

3,3-dimethyloxetane

$$$$ Data

M. F.

C5H10O

Suppliers	Catalog Number
Sigma Aldrich	192309
Alfa Aesar	H27370

Database	Data ID
PubChem	23352

M. W.

86.1323

CAS

6921-35-3

Similarity

N/A

ID: 145768

5-oxo-5-phenylpentanoic acid

$$$$ Data

M. F.

C11H12O3

Suppliers	Catalog Number
Sigma Aldrich	B12687 12926
Alfa Aesar	L04013
Bide Pharmatech	BD0544

Database	Data ID
PubChem	73914

M. W.

192.21118

CAS

1501-05-9

Similarity

N/A

ID: 145769

(1S,2S)-2-bromo-2,3-dihydro-1H-inden-1-ol

$$$$ Data

M. F.

C9H9BrO

Suppliers	Catalog Number
Sigma Aldrich	B68402

Database	Data ID
PubChem	820608

M. W.

213.07116

CAS

10368-44-2

Similarity

N/A

ID: 145770

2-(butylamino)ethane-1-thiol

$$$$ Data

M. F.

C6H15NS

Suppliers	Catalog Number
Sigma Aldrich	B89507

Database	Data ID
PubChem	1520

M. W.

133.255

CAS

5842-00-2

Similarity

N/A

ID: 145771

cinnoline-4-carboxylic acid

$$$$ Data

M. F.

C9H6N2O2

Suppliers	Catalog Number
Sigma Aldrich	C82159
A&J Pharmtech	AJA-O973

Database	Data ID
PubChem	89099

M. W.

174.15614

CAS

21905-86-2

Similarity

N/A

ID: 145772

4-[2-(4-aminophenyl)ethenyl]aniline dihydrochloride

$$$$ Data

M. F.

C14H16Cl2N2

Suppliers	Catalog Number
Sigma Aldrich	D25206

Database	Data ID
PubChem	11954176

M. W.

283.19624

CAS

54760-75-7

Similarity

N/A

ID: 145773

4-({bis[(4-oxopent-2-en-2-yl)oxy]indiganyl}oxy)pent-3-en-2-one

$$$$ Data

M. F.

C15H21InO6

Suppliers	Catalog Number
Sigma Aldrich	I3300

Database	Data ID
PubChem	71311187

M. W.

412.14164

CAS

14405-45-9

Similarity

N/A

ID: 145774

4-oxoheptanedioic acid

$$$$ Data

M. F.

C7H10O5

Suppliers	Catalog Number
Sigma Aldrich	K3506 75939
Enamine	EN300-49153

Database	Data ID
PubChem	95084

M. W.

174.1513

CAS

502-50-1

Similarity

N/A

ID: 145775

(1S,5S)-2,6,6-trimethylbicyclo[3.1.1]hept-2-ene

$$$$ Data

M. F.

C10H16

Suppliers	Catalog Number
Sigma Aldrich	305715 274399 P45702 (more...)

Database	Data ID
PubChem	440968

M. W.

136.23404

CAS

7785-26-4

Similarity

N/A

ID: 145776

oxolan-2-ylmethyl butanoate

$$$$ Data

M. F.

C9H16O3

Suppliers	Catalog Number
Sigma Aldrich	W305707
Bide Pharmatech	BD153476

Database	Data ID
PubChem	551316

M. W.

172.22154

CAS

2217-33-6

Similarity

N/A

ID: 145777

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

$$$$ Data

M. F.

C9H10O4

Suppliers	Catalog Number
Sigma Aldrich	216704
Alfa Aesar	H53403

Database	Data ID
PubChem	6541030

M. W.

182.1733

CAS

3853-88-1

Similarity

N/A

ID: 145778

tribromoiron

$$$$ Data

M. F.

Br3Fe

Suppliers	Catalog Number
Sigma Aldrich	217883

Database	Data ID
PubChem	25554

M. W.

295.557

CAS

10031-26-2

Similarity

N/A

ID: 145779

ethyl 2-(acetyloxy)-2-methyl-3-oxobutanoate

$$$$ Data

M. F.

C9H14O5

Suppliers	Catalog Number
Sigma Aldrich	220396

Database	Data ID
PubChem	117229

M. W.

202.20446

CAS

25409-39-6

Similarity

N/A

ID: 145780

2-methoxycyclohexan-1-one

$$$$ Data

M. F.

C7H12O2

Suppliers	Catalog Number
Sigma Aldrich	227331
Enamine	EN300-42158

Database	Data ID
PubChem	110998

M. W.

128.16898

CAS

7429-44-9

Similarity

N/A

ID: 145781

methyl dichlorophosphinite

$$$$ Data

M. F.

CH3Cl2OP

Suppliers	Catalog Number
Sigma Aldrich	235229 66625
Alfa Aesar	L04588
TRC	D435755

Database	Data ID
PubChem	76768

M. W.

132.913681

CAS

3279-26-3

Similarity

N/A

ID: 145782

tetrapentylazanium bromide

$$$$ Data

M. F.

C20H44BrN

Suppliers	Catalog Number
Sigma Aldrich	241970 88001 87997

Database	Data ID
PubChem	70086

M. W.

378.47406

CAS

866-97-7

Similarity

N/A

ID: 145783

(2R,4R)-pentane-2,4-diol

$$$$ Data

M. F.

C5H12O2

Suppliers	Catalog Number
Sigma Aldrich	243175 76897

Database	Data ID
PubChem	2723683

M. W.

104.14758

CAS

42075-32-1

Similarity

N/A

ID: 145784

oxolan-2-ylmethyl acetate

$$$$ Data

M. F.

C7H12O3

Suppliers	Catalog Number
Sigma Aldrich	W305502 156116
Alfa Aesar	B23205
Bide Pharmatech	BD153471

Database	Data ID
PubChem	12506

M. W.

144.16838

CAS

637-64-9

Similarity

N/A

ID: 145785

2-methylhexanoic acid

$$$$ Data

M. F.

C7H14O2

Suppliers	Catalog Number
Sigma Aldrich	338273 W319104 67435
Alfa Aesar	A11290

Database	Data ID
PubChem	20653

M. W.

130.18486

CAS

4536-23-6

Similarity

N/A

ID: 145786

(6Z)-non-6-en-1-ol

$$$$ Data

M. F.

C9H18O

Suppliers	Catalog Number
Sigma Aldrich	W346500
Alfa Aesar	L08387

Database	Data ID
PubChem	5362792

M. W.

142.23862

CAS

35854-86-5

Similarity

N/A

ID: 145787

4-ethyloctanoic acid

$$$$ Data

M. F.

C10H20O2

Suppliers	Catalog Number
Sigma Aldrich	W380008
Alfa Aesar	B22220
Bide Pharmatech	BD18745

Database	Data ID
PubChem	61840

M. W.

172.2646

CAS

16493-80-4

Similarity

N/A

ID: 145788

benzyl(chloro)palladium; bis(triphenylphosphane)

$$$$ Data

M. F.

C43H37ClP2Pd

Suppliers	Catalog Number
Sigma Aldrich	277665

Database	Data ID
PubChem	11007180

M. W.

757.574402

CAS

22784-59-4

Similarity

N/A

ID: 145789

nickeldiol

$$$$ Data

M. F.

H2NiO2

Suppliers	Catalog Number
Sigma Aldrich	283622

Database	Data ID
PubChem	25500

M. W.

92.70808

CAS

12054-48-7

Similarity

N/A

ID: 145790

tetramethylphosphanium bromide

$$$$ Data

M. F.

C4H12BrP

Suppliers	Catalog Number
Sigma Aldrich	288268
Alfa Aesar	A17907

Database	Data ID
PubChem	357594

M. W.

171.015841

CAS

4519-28-2

Similarity

N/A

ID: 145791

(4aR,6S,7R,8R,8aS)-6-methoxy-2-phenyl-hexahydro-2H-pyrano[3,2-d][1,3]dioxine-7,8...

$$$$ Data

M. F.

C14H18O6

Suppliers	Catalog Number
Sigma Aldrich	292842 65895
InterBioScreen	STOCK1N-30930
Bide Pharmatech	BD20173

Database	Data ID
PubChem	11822086

M. W.

282.28912

CAS

3162-96-7

Similarity

N/A

ID: 145792

(1S,2S,5S,7R,10R,11S,14R,15R)-11-hydroxy-2,15-dimethyl-14-(5-oxo-2,5-dihydrofura...

$$$$ Data

M. F.

C25H36O5

Suppliers	Catalog Number
Sigma Aldrich	300896
InterBioScreen	STOCK1N-00095

Database	Data ID
PubChem	10916723

M. W.

416.55034

CAS

808-19-5

Similarity

N/A

ID: 145793

3-chloro-4-hydroxy-5-methoxybenzaldehyde

$$$$ Data

M. F.

C8H7ClO3

Suppliers	Catalog Number
Sigma Aldrich	156809
Alfa Aesar	B25554

Database	Data ID
PubChem	29622

M. W.

186.59238

CAS

19463-48-0

Similarity

N/A

ID: 145794

cyclohept-2-en-1-one

$$$$ Data

M. F.

C7H10O

Suppliers	Catalog Number
Sigma Aldrich	160687
TRC	C987860
Enamine	EN300-50593

Database	Data ID
PubChem	70723

M. W.

110.1537

CAS

1121-66-0

Similarity

N/A

ID: 145795

1-ethynylcyclohexan-1-amine

$$$$ Data

M. F.

C8H13N

Suppliers	Catalog Number
Sigma Aldrich	177024
Alfa Aesar	H53514

Database	Data ID
PubChem	121691

M. W.

123.19552

CAS

30389-18-5

Similarity

N/A

ID: 145796

3-bromo-1,2,4,5-tetramethylbenzene

$$$$ Data

M. F.

C10H13Br

Suppliers	Catalog Number
Sigma Aldrich	250104
Alfa Aesar	L01465

Database	Data ID
PubChem	74240

M. W.

213.11422

CAS

1646-53-3

Similarity

N/A

ID: 145797

tetraethylazanium 4-methylbenzene-1-sulfonate

$$$$ Data

M. F.

C15H27NO3S

Suppliers	Catalog Number
Sigma Aldrich	134473 86654 86650
Alfa Aesar	A17073

Database	Data ID
PubChem	101846

M. W.

301.44478

CAS

733-44-8

Similarity

N/A

ID: 145798

2-ethyl-2-hydroxybutanoic acid

$$$$ Data

M. F.

C6H12O3

Suppliers	Catalog Number
Sigma Aldrich	138436

Database	Data ID
PubChem	77199

M. W.

132.15768

CAS

3639-21-2

Similarity

N/A

ID: 145799

4-methoxy-6-methyl-2H-pyran-2-one

$$$$ Data

M. F.

C7H8O3

Suppliers	Catalog Number
Sigma Aldrich	154288
A&J Pharmtech	AJA-O2467

Database	Data ID
PubChem	12651

M. W.

140.13662

CAS

672-89-9

Similarity

N/A

ID: 145800

1,4-diethyl (2R,3R)-2,3-dihydroxybutanedioate

$$$$ Data

M. F.

C8H14O6

Suppliers	Catalog Number
Sigma Aldrich	156841 W237809 95355

Database	Data ID
PubChem	6993580

M. W.

206.19316

CAS

87-91-2

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