ID: 284251

(2-methylthiolan-2-yl)methanamine			$$$$ Data
M. F.	C6H13NS	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 Enamine EN300-93814 Database Data ID PubChem 72125031
M. W.	131.23912
CAS
Similarity	N/A

ID: 284252

2-methylthiolane-2-carboxylic acid			$$$$ Data
M. F.	C6H10O2S	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 Enamine EN300-93815 Database Data ID PubChem 53789546
M. W.	146.2074
CAS
Similarity	N/A

ID: 284253

2-chloro-5-(3,5-dimethyl-1H-pyrazol-1-yl)pyridine			$$$$ Data
M. F.	C10H10ClN3	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 Enamine EN300-93817 Database Data ID PubChem 56828028
M. W.	207.6595
CAS
Similarity	N/A

ID: 284254

N-(2,2-difluoroethyl)-N-methylpiperidin-4-amine dihydrochloride			$$$$ Data
M. F.	C8H18Cl2F2N2	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 Enamine EN300-93824 Database Data ID PubChem 54595919
M. W.	251.1447264
CAS
Similarity	N/A

ID: 284255

N-(3,5-difluorophenyl)prop-2-enamide			$$$$ Data
M. F.	C9H7F2NO	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 Enamine EN300-93839 Database Data ID PubChem 43616264
M. W.	183.1547864
CAS
Similarity	N/A

ID: 284256

4-(2-methylpropanoyl)benzene-1-sulfonyl chloride			$$$$ Data
M. F.	C10H11ClO3S	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 Enamine EN300-93844 Database Data ID PubChem 54595921
M. W.	246.71054
CAS
Similarity	N/A

ID: 284257

1-cyclopropylcyclopropane-1-carboxylic acid			$$$$ Data
M. F.	C7H10O2	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 Enamine EN300-93845 Database Data ID PubChem 13707497
M. W.	126.1531
CAS
Similarity	N/A

ID: 284258

1-cyclopropylcyclopropan-1-amine			$$$$ Data
M. F.	C6H11N	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 ChemBridge 4027140 Enamine EN300-93846 Database Data ID PubChem 28064676
M. W.	97.15824
CAS	882489-65-8
Similarity	N/A

ID: 284259

2-(4-bromo-1H-pyrazol-1-yl)-3-methylbutanoic acid			$$$$ Data
M. F.	C8H11BrN2O2	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 Enamine EN300-93847 Database Data ID PubChem 54595922
M. W.	247.08914
CAS
Similarity	N/A

ID: 284260

1-(2-methylphenyl)propan-2-one			$$$$ Data
M. F.	C10H12O	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 Enamine EN300-93852 Database Data ID PubChem 2734109
M. W.	148.20168
CAS
Similarity	N/A

ID: 284261

2-ethylthiomorpholine			$$$$ Data
M. F.	C6H13NS	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 Enamine EN300-93853 Database Data ID PubChem 21495166
M. W.	131.23912
CAS
Similarity	N/A

ID: 284262

1-azaspiro[3.3]heptan-2-one			$$$$ Data
M. F.	C6H9NO	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 Enamine EN300-93854 Database Data ID PubChem 10820489
M. W.	111.14176
CAS
Similarity	N/A

ID: 284263

4-(1H-1,2,4-triazol-1-yl)butan-2-one			$$$$ Data
M. F.	C6H9N3O	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 ChemBridge 5358049 Enamine EN300-93855 Database Data ID PubChem 3825696
M. W.	139.15516
CAS	884497-49-8
Similarity	N/A

ID: 284264

2-chloro-1-(chloromethyl)-4-methoxybenzene			$$$$ Data
M. F.	C8H8Cl2O	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 Enamine EN300-93856 Database Data ID PubChem 14771757
M. W.	191.05452
CAS
Similarity	N/A

ID: 284265

5-(4-ethylphenyl)furan-2-carboxylic acid			$$$$ Data
M. F.	C13H12O3	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 Enamine EN300-93858 Database Data ID PubChem 43155835
M. W.	216.23258
CAS
Similarity	N/A

ID: 284266

5-(4-tert-butylphenyl)furan-2-carboxylic acid			$$$$ Data
M. F.	C15H16O3	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 Enamine EN300-93859 Database Data ID PubChem 15045229
M. W.	244.28574
CAS
Similarity	N/A

ID: 284267

4-(4-nitrophenoxy)piperidine			$$$$ Data
M. F.	C11H14N2O3	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 Enamine EN300-93860 A&J Pharmtech AJA-O31717 Database Data ID PubChem 21918653
M. W.	222.24046
CAS	162402-39-3
Similarity	N/A

ID: 284268

3-[4-(methylsulfanyl)phenyl]-1,2,4-thiadiazol-5-amine			$$$$ Data
M. F.	C9H9N3S2	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 Enamine EN300-93861 Database Data ID PubChem 33780230
M. W.	223.31786
CAS
Similarity	N/A

ID: 284269

5-[2-(trifluoromethyl)phenyl]-1,2,4-oxadiazole-3-carboxylic acid			$$$$ Data
M. F.	C10H5F3N2O3	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 Enamine EN300-93863 Database Data ID PubChem 53418215
M. W.	258.1535096
CAS
Similarity	N/A

ID: 284270

5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazin-3-ylmethanol dihydrochloride			$$$$ Data
M. F.	C6H12Cl2N4O	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 Enamine EN300-93864 Database Data ID PubChem 54595923
M. W.	227.09168
CAS
Similarity	N/A

ID: 284271

1,2-difluoro-4-iodo-5-nitrobenzene			$$$$ Data
M. F.	C6H2F2INO2	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 Enamine EN300-93866 Database Data ID PubChem 23223621
M. W.	284.9868564
CAS
Similarity	N/A

ID: 284272

1-(prop-2-yn-1-yl)azepane			$$$$ Data
M. F.	C9H15N	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 Enamine EN300-93868 Database Data ID PubChem 12688821
M. W.	137.2221
CAS
Similarity	N/A

ID: 284273

tert-butyl 6-aminohexanoate			$$$$ Data
M. F.	C10H21NO2	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 Enamine EN300-93869 Database Data ID PubChem 10750089
M. W.	187.27924
CAS
Similarity	N/A

ID: 284274

(2-aminoethoxy)trimethylsilane			$$$$ Data
M. F.	C5H15NOSi	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 Enamine EN300-93871 Database Data ID PubChem 22053
M. W.	133.2642
CAS
Similarity	N/A

ID: 284275

1-[(1-aminopropan-2-yl)oxy]-4-bromobenzene			$$$$ Data
M. F.	C9H12BrNO	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 Enamine EN300-93874 A&J Pharmtech AJA-O26992 Database Data ID PubChem 22388589
M. W.	230.10168
CAS	886763-33-3
Similarity	N/A

ID: 284276

2-(3-chlorophenyl)-1-(2-methylpiperazin-1-yl)ethan-1-one			$$$$ Data
M. F.	C13H17ClN2O	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 Enamine EN300-93876 Database Data ID PubChem 54595924
M. W.	252.73988
CAS
Similarity	N/A

ID: 284277

2-(4-bromo-1H-pyrazol-1-yl)-1,3-thiazole			$$$$ Data
M. F.	C6H4BrN3S	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 Enamine EN300-93877 Database Data ID PubChem 56828825
M. W.	230.08506
CAS
Similarity	N/A

ID: 284278

(3R)-1-(3-aminopropyl)pyrrolidin-3-ol			$$$$ Data
M. F.	C7H16N2O	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 Enamine EN300-93878 Database Data ID PubChem 54595925
M. W.	144.21474
CAS
Similarity	N/A

ID: 284279

2,2-diethyloctanoic acid			$$$$ Data
M. F.	C12H24O2	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 Enamine EN300-93879 Database Data ID PubChem 19757269
M. W.	200.31776
CAS
Similarity	N/A

ID: 284280

7-bromo-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-sulfonyl chloride			$$$$ Data
M. F.	C8H5BrClNO4S	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 Enamine EN300-93885 Database Data ID PubChem 54595926
M. W.	326.5516
CAS
Similarity	N/A

ID: 284281

tert-butyl 3-amino-4-(4-methoxy-2-methylphenyl)piperidine-1-carboxylate			$$$$ Data
M. F.	C18H28N2O3	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 Enamine EN300-93892 Database Data ID PubChem 54595927
M. W.	320.42652
CAS
Similarity	N/A

ID: 284282

1-cyclopentyl-4,4-dimethylpentan-3-amine hydrochloride			$$$$ Data
M. F.	C12H26ClN	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 Enamine EN300-93893 Database Data ID PubChem 54595928
M. W.	219.79454
CAS
Similarity	N/A

ID: 284283

methyl 2-amino-3-fluoro-6-methoxybenzoate			$$$$ Data
M. F.	C9H10FNO3	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 Enamine EN300-93897 Database Data ID PubChem 54595930
M. W.	199.1790032
CAS
Similarity	N/A

ID: 284284

ethyl 2-amino-3-fluoro-6-methoxybenzoate			$$$$ Data
M. F.	C10H12FNO3	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 Enamine EN300-93898 Database Data ID PubChem 54595931
M. W.	213.2055832
CAS
Similarity	N/A

ID: 284285

1,5-dimethyl-2,3-dihydro-1H-pyrazol-3-one			$$$$ Data
M. F.	C5H8N2O	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 Enamine EN300-93899 Database Data ID PubChem 574489
M. W.	112.12982
CAS
Similarity	N/A

ID: 284286

methyl 2-amino-3-fluoro-4-methoxybenzoate			$$$$ Data
M. F.	C9H10FNO3	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 Enamine EN300-93900 Database Data ID PubChem 54595932
M. W.	199.1790032
CAS
Similarity	N/A

ID: 284287

ethyl 2-amino-3-fluoro-4-methoxybenzoate			$$$$ Data
M. F.	C10H12FNO3	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 Enamine EN300-93901 Database Data ID PubChem 54595933
M. W.	213.2055832
CAS
Similarity	N/A

ID: 284288

2-amino-3-methoxy-5-methylbenzoic acid			$$$$ Data
M. F.	C9H11NO3	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 Enamine EN300-93902 Database Data ID PubChem 9442556
M. W.	181.18854
CAS
Similarity	N/A

ID: 284289

methyl 2-amino-3-methoxy-5-methylbenzoate			$$$$ Data
M. F.	C10H13NO3	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 Enamine EN300-93903 Database Data ID PubChem 10867226
M. W.	195.21512
CAS
Similarity	N/A

ID: 284290

ethyl 2-amino-3-methoxy-5-methylbenzoate			$$$$ Data
M. F.	C11H15NO3	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 Enamine EN300-93906 Database Data ID PubChem 54595934
M. W.	209.2417
CAS
Similarity	N/A

ID: 284291

ethyl 2-amino-5-chloro-3-methoxybenzoate			$$$$ Data
M. F.	C10H12ClNO3	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 Enamine EN300-93909 Database Data ID PubChem 54595935
M. W.	229.66018
CAS
Similarity	N/A

ID: 284292

methyl 2-amino-3-ethoxy-5-fluorobenzoate			$$$$ Data
M. F.	C10H12FNO3	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 Enamine EN300-93910 Database Data ID PubChem 54595936
M. W.	213.2055832
CAS
Similarity	N/A

ID: 284293

2-(1-aminocyclopentyl)-6-(thiophen-2-yl)-3,4-dihydropyrimidin-4-one			$$$$ Data
M. F.	C13H15N3OS	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 Enamine EN300-93911 Database Data ID PubChem 54595937
M. W.	261.3427
CAS
Similarity	N/A

ID: 284294

3-(trifluoromethyl)pentan-3-amine hydrochloride			$$$$ Data
M. F.	C6H13ClF3N	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 Enamine EN300-93912 Database Data ID PubChem 54595938
M. W.	191.6223296
CAS
Similarity	N/A

ID: 284295

4-(carbamoylmethanesulfonyl)benzoic acid			$$$$ Data
M. F.	C9H9NO5S	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 Enamine EN300-93913 Database Data ID PubChem 24690677
M. W.	243.23646
CAS
Similarity	N/A

ID: 284296

2-(2-bromo-4-formylphenoxy)acetic acid			$$$$ Data
M. F.	C9H7BrO4	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 Enamine EN300-93914 Database Data ID PubChem 882739
M. W.	259.05348
CAS
Similarity	N/A

ID: 284297

3,4,4-trimethylpent-2-enoic acid			$$$$ Data
M. F.	C8H14O2	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 Enamine EN300-93916 Database Data ID PubChem 13929101
M. W.	142.19556
CAS
Similarity	N/A

ID: 284298

1-[(4-methylphenyl)methyl]-5-oxopyrrolidine-2-carboxylic acid			$$$$ Data
M. F.	C13H15NO3	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 Enamine EN300-93917 Database Data ID PubChem 4516602
M. W.	233.2631
CAS
Similarity	N/A

ID: 284299

ethyl 2-amino-3-ethoxy-5-fluorobenzoate			$$$$ Data
M. F.	C11H14FNO3	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 Enamine EN300-93919 Database Data ID PubChem 54595939
M. W.	227.2321632
CAS
Similarity	N/A

ID: 284300

3-isothiocyanato-2,3-dihydro-1λ6-thiophene-1,1-dione			$$$$ Data
M. F.	C5H5NO2S2	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 Enamine EN300-93920 Database Data ID PubChem 16637217
M. W.	175.2287
CAS
Similarity	N/A

• ID:284251

  

  (2-methylthiolan-2-yl)methanamine

• ID:284252

  

  2-methylthiolane-2-carboxylic acid

• ID:284253

  

  2-chloro-5-(3,5-dimethyl-1H-pyrazol-1-yl)pyridine

• ID:284254

  

  N-(2,2-difluoroethyl)-N-methylpiperidin-4-amine dihydrochloride

• ID:284255

  

  N-(3,5-difluorophenyl)prop-2-enamide

• ID:284256

  

  4-(2-methylpropanoyl)benzene-1-sulfonyl chloride

• ID:284257

  

  1-cyclopropylcyclopropane-1-carboxylic acid

• ID:284258

  

  1-cyclopropylcyclopropan-1-amine

• ID:284259

  

  2-(4-bromo-1H-pyrazol-1-yl)-3-methylbutanoic acid

• ID:284260

  

  1-(2-methylphenyl)propan-2-one

• ID:284261

  

  2-ethylthiomorpholine

• ID:284262

  

  1-azaspiro[3.3]heptan-2-one

• ID:284263

  

  4-(1H-1,2,4-triazol-1-yl)butan-2-one

• ID:284264

  

  2-chloro-1-(chloromethyl)-4-methoxybenzene

• ID:284265

  

  5-(4-ethylphenyl)furan-2-carboxylic acid

• ID:284266

  

  5-(4-tert-butylphenyl)furan-2-carboxylic acid

• ID:284267

  

  4-(4-nitrophenoxy)piperidine

• ID:284268

  

  3-[4-(methylsulfanyl)phenyl]-1,2,4-thiadiazol-5-amine

• ID:284269

  

  5-[2-(trifluoromethyl)phenyl]-1,2,4-oxadiazole-3-carboxylic acid

• ID:284270

  

  5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazin-3-ylmethanol dihydrochloride

• ID:284271

  

  1,2-difluoro-4-iodo-5-nitrobenzene

• ID:284272

  

  1-(prop-2-yn-1-yl)azepane

• ID:284273

  

  tert-butyl 6-aminohexanoate

• ID:284274

  

  (2-aminoethoxy)trimethylsilane

• ID:284275

  

  1-[(1-aminopropan-2-yl)oxy]-4-bromobenzene

• ID:284276

  

  2-(3-chlorophenyl)-1-(2-methylpiperazin-1-yl)ethan-1-one

• ID:284277

  

  2-(4-bromo-1H-pyrazol-1-yl)-1,3-thiazole

• ID:284278

  

  (3R)-1-(3-aminopropyl)pyrrolidin-3-ol

• ID:284279

  

  2,2-diethyloctanoic acid

• ID:284280

  

  7-bromo-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-sulfonyl chloride

• ID:284281

  

  tert-butyl 3-amino-4-(4-methoxy-2-methylphenyl)piperidine-1-carboxylate

• ID:284282

  

  1-cyclopentyl-4,4-dimethylpentan-3-amine hydrochloride

• ID:284283

  

  methyl 2-amino-3-fluoro-6-methoxybenzoate

• ID:284284

  

  ethyl 2-amino-3-fluoro-6-methoxybenzoate

• ID:284285

  

  1,5-dimethyl-2,3-dihydro-1H-pyrazol-3-one

• ID:284286

  

  methyl 2-amino-3-fluoro-4-methoxybenzoate

• ID:284287

  

  ethyl 2-amino-3-fluoro-4-methoxybenzoate

• ID:284288

  

  2-amino-3-methoxy-5-methylbenzoic acid

• ID:284289

  

  methyl 2-amino-3-methoxy-5-methylbenzoate

• ID:284290

  

  ethyl 2-amino-3-methoxy-5-methylbenzoate

• ID:284291

  

  ethyl 2-amino-5-chloro-3-methoxybenzoate

• ID:284292

  

  methyl 2-amino-3-ethoxy-5-fluorobenzoate

• ID:284293

  

  2-(1-aminocyclopentyl)-6-(thiophen-2-yl)-3,4-dihydropyrimidin-4-one

• ID:284294

  

  3-(trifluoromethyl)pentan-3-amine hydrochloride

• ID:284295

  

  4-(carbamoylmethanesulfonyl)benzoic acid

• ID:284296

  

  2-(2-bromo-4-formylphenoxy)acetic acid

• ID:284297

  

  3,4,4-trimethylpent-2-enoic acid

• ID:284298

  

  1-[(4-methylphenyl)methyl]-5-oxopyrrolidine-2-carboxylic acid

• ID:284299

  

  ethyl 2-amino-3-ethoxy-5-fluorobenzoate

• ID:284300

  

  3-isothiocyanato-2,3-dihydro-1λ⁶-thiophene-1,1-dione