Thiophenes

Organic heterocyclic compounds that consist of a five-membered ring with four carbon atoms, and one sulfur atom.

1 – 15 of 96 results

Ethyl 7-aminothieno[2,3-b]pyrazine-6-carboxylate, ≥97%, Thermo Scientific™

Pricing and Availability

Methyl 5-bromo-1-benzothiophene-2-carboxylate, 97%, Thermo Scientific™

CAS: 7312-11-0 Molecular Formula: C10H7BrO2S Molecular Weight (g/mol): 271.128 MDL Number: MFCD05662034 InChI Key: XDYVZHUZZZKQOS-UHFFFAOYSA-N Synonym: methyl 5-bromobenzo b thiophene-2-carboxylate,5-bromo-benzo b thiophene-2-carboxylic acid methyl ester,benzo b thiophene-2-carboxylic acid, 5-bromo-, methyl ester,5-bromo-benzo b thiophene-2-carboxylic methyl ester,maybridge4_002488,methyl 5-bromobenzo b thiophen-2-carboxylate,methyl 5-bromo-1-benzothiophene-2carboxylate,methyl 5-bromo-benzo b thiophene-2-carboxylate,methyl 5-bromobenzothiophene-2-carboxylate,5-bromobenzothiophene-2-carboxylic acid methyl ester PubChem CID: 2824065 IUPAC Name: methyl 5-bromo-1-benzothiophene-2-carboxylate SMILES: COC(=O)C1=CC2=C(S1)C=CC(=C2)Br

Pricing and Availability
Specifications

PubChem CID	2824065
CAS	7312-11-0
Molecular Weight (g/mol)	271.128
MDL Number	MFCD05662034
SMILES	COC(=O)C1=CC2=C(S1)C=CC(=C2)Br
Synonym	methyl 5-bromobenzo b thiophene-2-carboxylate,5-bromo-benzo b thiophene-2-carboxylic acid methyl ester,benzo b thiophene-2-carboxylic acid, 5-bromo-, methyl ester,5-bromo-benzo b thiophene-2-carboxylic methyl ester,maybridge4_002488,methyl 5-bromobenzo b thiophen-2-carboxylate,methyl 5-bromo-1-benzothiophene-2carboxylate,methyl 5-bromo-benzo b thiophene-2-carboxylate,methyl 5-bromobenzothiophene-2-carboxylate,5-bromobenzothiophene-2-carboxylic acid methyl ester
IUPAC Name	methyl 5-bromo-1-benzothiophene-2-carboxylate
InChI Key	XDYVZHUZZZKQOS-UHFFFAOYSA-N
Molecular Formula	C10H7BrO2S

7-Aminothieno[2,3-b]pyrazine-6-carboxylic acid, ≥90%, Thermo Scientific™

CAS: 56881-31-3 Molecular Formula: C7H5N3O2S Molecular Weight (g/mol): 195.196 MDL Number: MFCD08271964 InChI Key: UJUCBOIXAMPUQL-UHFFFAOYSA-N Synonym: 7-aminothieno 2,3-b pyrazine-6-carboxylic acid,7-aminothieno 2,3-b pyrazine-6-carboxylicacid,7-aminothiopheno 3,2-b pyrazine-6-carboxylic acid,thieno 2,3-b pyrazine-6-carboxylicacid, 7-amino,7-aminothieno 2,3-b pyrazine-6-carboxylic acid mb41-1 PubChem CID: 12225712 IUPAC Name: 7-aminothieno[2,3-b]pyrazine-6-carboxylic acid SMILES: C1=CN=C2C(=N1)C(=C(S2)C(=O)O)N

Pricing and Availability
Specifications

PubChem CID	12225712
CAS	56881-31-3
Molecular Weight (g/mol)	195.196
MDL Number	MFCD08271964
SMILES	C1=CN=C2C(=N1)C(=C(S2)C(=O)O)N
Synonym	7-aminothieno 2,3-b pyrazine-6-carboxylic acid,7-aminothieno 2,3-b pyrazine-6-carboxylicacid,7-aminothiopheno 3,2-b pyrazine-6-carboxylic acid,thieno 2,3-b pyrazine-6-carboxylicacid, 7-amino,7-aminothieno 2,3-b pyrazine-6-carboxylic acid mb41-1
IUPAC Name	7-aminothieno[2,3-b]pyrazine-6-carboxylic acid
InChI Key	UJUCBOIXAMPUQL-UHFFFAOYSA-N
Molecular Formula	C7H5N3O2S

Benzo[b]thiophene-2-carbohydrazide, 97%, Thermo Scientific™

CAS: 175135-07-6 Molecular Formula: C9H8N2OS Molecular Weight (g/mol): 192.24 MDL Number: MFCD00052501 InChI Key: ZXKPFIRPUUAAPQ-UHFFFAOYSA-N Synonym: benzo b thiophene-2-carbohydrazide,benzo b thiophene-2-carboxylic hydrazide,thianaphthene-2-carboxylic hydrazide,benzo b thiophene-2-carboxylicacid, hydrazide,maybridge1_008989,acmc-1c3go,#,benzo b thiophene-2-carboxylic acid hydrazide PubChem CID: 519437 IUPAC Name: 1-benzothiophene-2-carbohydrazide SMILES: NNC(=O)C1=CC2=CC=CC=C2S1

Pricing and Availability
Specifications

PubChem CID	519437
CAS	175135-07-6
Molecular Weight (g/mol)	192.24
MDL Number	MFCD00052501
SMILES	NNC(=O)C1=CC2=CC=CC=C2S1
Synonym	benzo b thiophene-2-carbohydrazide,benzo b thiophene-2-carboxylic hydrazide,thianaphthene-2-carboxylic hydrazide,benzo b thiophene-2-carboxylicacid, hydrazide,maybridge1_008989,acmc-1c3go,#,benzo b thiophene-2-carboxylic acid hydrazide
IUPAC Name	1-benzothiophene-2-carbohydrazide
InChI Key	ZXKPFIRPUUAAPQ-UHFFFAOYSA-N
Molecular Formula	C9H8N2OS

5-[5-(Trifluoromethyl)isoxazol-3-yl]thiophene-2-sulfonyl chloride, 97%, Thermo Scientific™

CAS: 229956-98-3 Molecular Formula: C8H3ClF3NO3S2 Molecular Weight (g/mol): 317.681 MDL Number: MFCD00831001 InChI Key: TWGONVLMWWEOFL-UHFFFAOYSA-N Synonym: 5-5-trifluoromethyl isoxazol-3-yl thiophene-2-sulfonyl chloride,5-5-trifluoromethyl-1,2-oxazol-3-yl thiophene-2-sulfonyl chloride,2-thiophenesulfonylchloride, 5-5-trifluoromethyl-3-isoxazolyl,5-5-trifluoromethyl isoxazol-3-yl thiophene-2-sulphonyl chloride,5-5-trifluoromethyl-isoxazol-3-yl-thiophene-2-sulfonyl chloride PubChem CID: 2777526 IUPAC Name: 5-[5-(trifluoromethyl)-1,2-oxazol-3-yl]thiophene-2-sulfonyl chloride SMILES: C1=C(SC(=C1)S(=O)(=O)Cl)C2=NOC(=C2)C(F)(F)F

Pricing and Availability
Specifications

PubChem CID	2777526
CAS	229956-98-3
Molecular Weight (g/mol)	317.681
MDL Number	MFCD00831001
SMILES	C1=C(SC(=C1)S(=O)(=O)Cl)C2=NOC(=C2)C(F)(F)F
Synonym	5-5-trifluoromethyl isoxazol-3-yl thiophene-2-sulfonyl chloride,5-5-trifluoromethyl-1,2-oxazol-3-yl thiophene-2-sulfonyl chloride,2-thiophenesulfonylchloride, 5-5-trifluoromethyl-3-isoxazolyl,5-5-trifluoromethyl isoxazol-3-yl thiophene-2-sulphonyl chloride,5-5-trifluoromethyl-isoxazol-3-yl-thiophene-2-sulfonyl chloride
IUPAC Name	5-[5-(trifluoromethyl)-1,2-oxazol-3-yl]thiophene-2-sulfonyl chloride
InChI Key	TWGONVLMWWEOFL-UHFFFAOYSA-N
Molecular Formula	C8H3ClF3NO3S2

2-(5-Ethynylthien-2-yl)pyridine, ≥97%, Thermo Scientific™

CAS: 132464-90-5 Molecular Formula: C11H7NS Molecular Weight (g/mol): 185.244 MDL Number: MFCD08271876 InChI Key: CTZZEBNNWDVUFO-UHFFFAOYSA-N Synonym: 2-5-ethynylthien-2-yl pyridine,2-5-ethynylthiophen-2-yl pyridine,pyridine,2-5-ethynyl-2-thienyl,pyridine, 2-5-ethynyl-2-thienyl,acmc-20muis,5-ethynyl-2-2-pyridyl thiophene,2-ethynyl-5-pyridin-2-yl thiophene PubChem CID: 15084146 IUPAC Name: 2-(5-ethynylthiophen-2-yl)pyridine SMILES: C#CC1=CC=C(S1)C2=CC=CC=N2

Pricing and Availability
Specifications

PubChem CID	15084146
CAS	132464-90-5
Molecular Weight (g/mol)	185.244
MDL Number	MFCD08271876
SMILES	C#CC1=CC=C(S1)C2=CC=CC=N2
Synonym	2-5-ethynylthien-2-yl pyridine,2-5-ethynylthiophen-2-yl pyridine,pyridine,2-5-ethynyl-2-thienyl,pyridine, 2-5-ethynyl-2-thienyl,acmc-20muis,5-ethynyl-2-2-pyridyl thiophene,2-ethynyl-5-pyridin-2-yl thiophene
IUPAC Name	2-(5-ethynylthiophen-2-yl)pyridine
InChI Key	CTZZEBNNWDVUFO-UHFFFAOYSA-N
Molecular Formula	C11H7NS

5-(5-Bromo-2-thienyl)isoxazole, ≥97%, Thermo Scientific™

CAS: 138716-31-1 Molecular Formula: C7H4BrNOS Molecular Weight (g/mol): 230.079 MDL Number: MFCD03618406 InChI Key: FCUZGSQWFAXBSB-UHFFFAOYSA-N Synonym: 2-bromo-5-isoxazol-5-yl thiophene,5-5-bromo-2-thienyl isoxazole,5-5-bromothiophen-2-yl-1,2-oxazole,5-bromo-2-isoxazol-5-ylthiophene,5-5-bromothien-2-yl isoxazole,5-5-bromo-2-thiophenyl isoxazole,5-5-bromothiophen-2-yl isoxazole,5-5-bromothien-2-yl-1,2-oxazole,5-5-bromanylthiophen-2-yl-1,2-oxazole PubChem CID: 2757026 IUPAC Name: 5-(5-bromothiophen-2-yl)-1,2-oxazole SMILES: C1=C(SC(=C1)Br)C2=CC=NO2

Pricing and Availability
Specifications

PubChem CID	2757026
CAS	138716-31-1
Molecular Weight (g/mol)	230.079
MDL Number	MFCD03618406
SMILES	C1=C(SC(=C1)Br)C2=CC=NO2
Synonym	2-bromo-5-isoxazol-5-yl thiophene,5-5-bromo-2-thienyl isoxazole,5-5-bromothiophen-2-yl-1,2-oxazole,5-bromo-2-isoxazol-5-ylthiophene,5-5-bromothien-2-yl isoxazole,5-5-bromo-2-thiophenyl isoxazole,5-5-bromothiophen-2-yl isoxazole,5-5-bromothien-2-yl-1,2-oxazole,5-5-bromanylthiophen-2-yl-1,2-oxazole
IUPAC Name	5-(5-bromothiophen-2-yl)-1,2-oxazole
InChI Key	FCUZGSQWFAXBSB-UHFFFAOYSA-N
Molecular Formula	C7H4BrNOS

5-(Methylthio)thiophene-2-carbaldehyde, 90%, Thermo Scientific™

CAS: 24445-35-0 Molecular Formula: C6H6OS2 Molecular Weight (g/mol): 158.233 MDL Number: MFCD00173744 InChI Key: RKXYTFTZODXDEF-UHFFFAOYSA-N Synonym: 5-methylthio thiophene-2-carbaldehyde,5-methylthio thiophene-2-carboxaldehyde,5-methylsulfanyl thiophene-2-carbaldehyde,2-thiophenecarboxaldehyde,5-methylthio,2-formyl-5-methylthiothiphene,2-formyl-5-methylthio thiophene,5-methylmercapto-2-thiophenaldehyde,5-methylthio-2-thiophenecarbaldehyde,5-methylthiothiophene-2-carbaldehyde,5-methylmercaptothiophene-2-carbaldehyde PubChem CID: 2736997 IUPAC Name: 5-methylsulfanylthiophene-2-carbaldehyde SMILES: CSC1=CC=C(S1)C=O

Pricing and Availability
Specifications

PubChem CID	2736997
CAS	24445-35-0
Molecular Weight (g/mol)	158.233
MDL Number	MFCD00173744
SMILES	CSC1=CC=C(S1)C=O
Synonym	5-methylthio thiophene-2-carbaldehyde,5-methylthio thiophene-2-carboxaldehyde,5-methylsulfanyl thiophene-2-carbaldehyde,2-thiophenecarboxaldehyde,5-methylthio,2-formyl-5-methylthiothiphene,2-formyl-5-methylthio thiophene,5-methylmercapto-2-thiophenaldehyde,5-methylthio-2-thiophenecarbaldehyde,5-methylthiothiophene-2-carbaldehyde,5-methylmercaptothiophene-2-carbaldehyde
IUPAC Name	5-methylsulfanylthiophene-2-carbaldehyde
InChI Key	RKXYTFTZODXDEF-UHFFFAOYSA-N
Molecular Formula	C6H6OS2

5-Nitrothiophene-3-carboxylic acid, 97%, Thermo Scientific™

CAS: 40357-96-8 Molecular Formula: C5H3NO4S Molecular Weight (g/mol): 173.142 MDL Number: MFCD00052582 InChI Key: VNJUNWUOAKEIKG-UHFFFAOYSA-N Synonym: 5-nitrothiophene-3-carboxylic acid,2-nitrothiophene-4-carboxylic acid,5-nitro-thiophene-3-carboxylic acid,5-nitro-3-thiophenecarboxylic acid,3-thiophenecarboxylic acid, 5-nitro,maybridge1_003249,acmc-1ascr,2-nitro-4-carboxythiophene,ksc238c5f,2-nitro-4-thiophenecarboxylic acid PubChem CID: 2777267 SMILES: C1=C(SC=C1C(=O)O)[N+](=O)[O-]

Pricing and Availability
Specifications

PubChem CID	2777267
CAS	40357-96-8
Molecular Weight (g/mol)	173.142
MDL Number	MFCD00052582
SMILES	C1=C(SC=C1C(=O)O)[N+](=O)[O-]
Synonym	5-nitrothiophene-3-carboxylic acid,2-nitrothiophene-4-carboxylic acid,5-nitro-thiophene-3-carboxylic acid,5-nitro-3-thiophenecarboxylic acid,3-thiophenecarboxylic acid, 5-nitro,maybridge1_003249,acmc-1ascr,2-nitro-4-carboxythiophene,ksc238c5f,2-nitro-4-thiophenecarboxylic acid
InChI Key	VNJUNWUOAKEIKG-UHFFFAOYSA-N
Molecular Formula	C5H3NO4S

1-Benzothiophene-3-carboxylic acid, 97%, Thermo Scientific™

CAS: 5381-25-9 Molecular Formula: C9H6O2S Molecular Weight (g/mol): 178.205 MDL Number: MFCD01846406 InChI Key: DRBLTQNCQJXSNU-UHFFFAOYSA-N Synonym: benzo b thiophene-3-carboxylic acid,benzothiophene-3-carboxylic acid,benzothiophene-3-carboxylicacid,pubchem13463,acmc-20a10z,ksc178m8d,1-benzo b thiophene-3-carboxylic acid,#,thianaphthene-3-carboxylic acid PubChem CID: 601280 IUPAC Name: 1-benzothiophene-3-carboxylic acid SMILES: C1=CC=C2C(=C1)C(=CS2)C(=O)O

Pricing and Availability
Specifications

PubChem CID	601280
CAS	5381-25-9
Molecular Weight (g/mol)	178.205
MDL Number	MFCD01846406
SMILES	C1=CC=C2C(=C1)C(=CS2)C(=O)O
Synonym	benzo b thiophene-3-carboxylic acid,benzothiophene-3-carboxylic acid,benzothiophene-3-carboxylicacid,pubchem13463,acmc-20a10z,ksc178m8d,1-benzo b thiophene-3-carboxylic acid,#,thianaphthene-3-carboxylic acid
IUPAC Name	1-benzothiophene-3-carboxylic acid
InChI Key	DRBLTQNCQJXSNU-UHFFFAOYSA-N
Molecular Formula	C9H6O2S

5-Pyrid-4-ylthiophene-2-carboxylic acid, 97%, Thermo Scientific™

CAS: 216867-32-2 Molecular Formula: C10H7NO2S Molecular Weight (g/mol): 205.23 MDL Number: MFCD07376007 InChI Key: OJOWGMLSJKRJNV-UHFFFAOYSA-N Synonym: 5-pyridin-4-yl thiophene-2-carboxylic acid,4-2-carboxythien-5-yl pyridine,5-pyrid-4-ylthiophene-2-carboxylic acid,2-thiophenecarboxylicacid, 5-4-pyridinyl,5-4-pyridyl-2-thiophenecarboxylic acid,5-4-pyridyl thiophene-2-carboxylic acid,5-4-pyridinyl-2-thiophenecarboxylic acid,5-pyridin-4-yl-thiophene-2-carboxylic acid,5-pyridin-4-yl thiophene-2-carboxylic acid,2-thiophenecarboxylic acid, 5-4-pyridinyl PubChem CID: 21928576 IUPAC Name: 5-pyridin-4-ylthiophene-2-carboxylic acid SMILES: OC(=O)C1=CC=C(S1)C1=CC=NC=C1

Pricing and Availability
Specifications

PubChem CID	21928576
CAS	216867-32-2
Molecular Weight (g/mol)	205.23
MDL Number	MFCD07376007
SMILES	OC(=O)C1=CC=C(S1)C1=CC=NC=C1
Synonym	5-pyridin-4-yl thiophene-2-carboxylic acid,4-2-carboxythien-5-yl pyridine,5-pyrid-4-ylthiophene-2-carboxylic acid,2-thiophenecarboxylicacid, 5-4-pyridinyl,5-4-pyridyl-2-thiophenecarboxylic acid,5-4-pyridyl thiophene-2-carboxylic acid,5-4-pyridinyl-2-thiophenecarboxylic acid,5-pyridin-4-yl-thiophene-2-carboxylic acid,5-pyridin-4-yl thiophene-2-carboxylic acid,2-thiophenecarboxylic acid, 5-4-pyridinyl
IUPAC Name	5-pyridin-4-ylthiophene-2-carboxylic acid
InChI Key	OJOWGMLSJKRJNV-UHFFFAOYSA-N
Molecular Formula	C10H7NO2S

5-Phenylthiophene-2-carboxylic acid, 95+%, Thermo Scientific™

CAS: 19163-24-7 Molecular Formula: C11H8O2S Molecular Weight (g/mol): 204.243 InChI Key: QGMFBCDNJUZQBZ-UHFFFAOYSA-N Synonym: 5-phenyl-2-thiophenecarboxylic acid,2-thiophenecarboxylic acid, 5-phenyl,5-phenyl-2-thiophene carboxylic acid,pubchem19533,5-phenyl-2-thenoic acid,2-carboxy-5-phenylthiophene,5-phenyl 2-thiophenecarboxylic acid,5-phenyl-thiophene-2-carboxylic acid PubChem CID: 736494 IUPAC Name: 5-phenylthiophene-2-carboxylic acid SMILES: C1=CC=C(C=C1)C2=CC=C(S2)C(=O)O

Pricing and Availability
Specifications

PubChem CID	736494
CAS	19163-24-7
Molecular Weight (g/mol)	204.243
SMILES	C1=CC=C(C=C1)C2=CC=C(S2)C(=O)O
Synonym	5-phenyl-2-thiophenecarboxylic acid,2-thiophenecarboxylic acid, 5-phenyl,5-phenyl-2-thiophene carboxylic acid,pubchem19533,5-phenyl-2-thenoic acid,2-carboxy-5-phenylthiophene,5-phenyl 2-thiophenecarboxylic acid,5-phenyl-thiophene-2-carboxylic acid
IUPAC Name	5-phenylthiophene-2-carboxylic acid
InChI Key	QGMFBCDNJUZQBZ-UHFFFAOYSA-N
Molecular Formula	C11H8O2S

methyle4-aminothiophene-3-carboxylate hydrochloride, 97%, Thermo Scientific™

CAS: 39978-14-8 Molecular Formula: C6H7NO2S Molecular Weight (g/mol): 157.19 MDL Number: MFCD00068149 InChI Key: BUFZZXCVOFBHLS-UHFFFAOYSA-N Synonym: methyl 4-aminothiophene-3-carboxylate hydrochloride,methyl 3-aminothiophene-4-carboxylate hydrochloride,3-carbomethoxy-4-aminothiophene hydrochloride,acmc-209zkz,methyl 4-aminothiophene-3-carboxylate, chloride,3-amino-4-methoxycarbonylthiophene hydrochloride,4-amino-3-methoxycarbonylthiophene hydrochloride,methyl3-aminothiophene-4-carboxylatehydrochloride,4-amino-3-methoxycarbonyl thiophene hydrochloride,methyl 4-aminothiophen-3-carboxylate hydrochloride PubChem CID: 2777609 IUPAC Name: methyl 4-aminothiophene-3-carboxylate;hydrochloride SMILES: COC(=O)C1=CSC=C1N

Pricing and Availability
Specifications

PubChem CID	2777609
CAS	39978-14-8
Molecular Weight (g/mol)	157.19
MDL Number	MFCD00068149
SMILES	COC(=O)C1=CSC=C1N
Synonym	methyl 4-aminothiophene-3-carboxylate hydrochloride,methyl 3-aminothiophene-4-carboxylate hydrochloride,3-carbomethoxy-4-aminothiophene hydrochloride,acmc-209zkz,methyl 4-aminothiophene-3-carboxylate, chloride,3-amino-4-methoxycarbonylthiophene hydrochloride,4-amino-3-methoxycarbonylthiophene hydrochloride,methyl3-aminothiophene-4-carboxylatehydrochloride,4-amino-3-methoxycarbonyl thiophene hydrochloride,methyl 4-aminothiophen-3-carboxylate hydrochloride
IUPAC Name	methyl 4-aminothiophene-3-carboxylate;hydrochloride
InChI Key	BUFZZXCVOFBHLS-UHFFFAOYSA-N
Molecular Formula	C6H7NO2S

Methyle3-amino-4-(methylsulfonyl)thiophene-2-carboxylate, 97%, Thermo Scientific™

CAS: 175201-73-7 Molecular Formula: C7H9NO4S2 Molecular Weight (g/mol): 235.272 MDL Number: MFCD00067932 InChI Key: ZFMCGKFMQDQBLY-UHFFFAOYSA-N PubChem CID: 2778572 IUPAC Name: methyl 3-amino-4-methylsulfonylthiophene-2-carboxylate SMILES: COC(=O)C1=C(C(=CS1)S(=O)(=O)C)N

Pricing and Availability
Specifications

PubChem CID	2778572
CAS	175201-73-7
Molecular Weight (g/mol)	235.272
MDL Number	MFCD00067932
SMILES	COC(=O)C1=C(C(=CS1)S(=O)(=O)C)N
IUPAC Name	methyl 3-amino-4-methylsulfonylthiophene-2-carboxylate
InChI Key	ZFMCGKFMQDQBLY-UHFFFAOYSA-N
Molecular Formula	C7H9NO4S2

Methyle3-amino-5-(4-chlorophenyl)thiophene-2-carboxylate, 97%, Thermo Scientific™

CAS: 91076-93-6 Molecular Formula: C12H10ClNO2S Molecular Weight (g/mol): 267.727 MDL Number: MFCD00052591 InChI Key: MELGGDOYSMRBGA-UHFFFAOYSA-N PubChem CID: 2777492 IUPAC Name: methyl 3-amino-5-(4-chlorophenyl)thiophene-2-carboxylate SMILES: COC(=O)C1=C(C=C(S1)C2=CC=C(C=C2)Cl)N

Pricing and Availability
Specifications

PubChem CID	2777492
CAS	91076-93-6
Molecular Weight (g/mol)	267.727
MDL Number	MFCD00052591
SMILES	COC(=O)C1=C(C=C(S1)C2=CC=C(C=C2)Cl)N
IUPAC Name	methyl 3-amino-5-(4-chlorophenyl)thiophene-2-carboxylate
InChI Key	MELGGDOYSMRBGA-UHFFFAOYSA-N
Molecular Formula	C12H10ClNO2S

Thiophenes

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