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5-Chloro-2-thiophenecarboxylic acid24065-33-6100 % similar 2,5-Thiophenedicarboxylic acid4282-31-968 % similar 5-Chlorothiophene-2-carbonyl chloride42518-98-957 % similar 5-Methyl-2-thiophenecarboxylic acid1918-79-255 % similar 5-Fluorothiophene-2-carboxylic acid4377-58-655 % similar 2-Acetyl-5-chlorothiophene6310-09-455 % similar 5-Bromothiophene-2-carboxylic acid7311-63-955 % similar 5-Chlorothiophene-2-carboxylic acid hydrazide351983-31-855 % similar 2-Bromo-1-(5-chloro-thiophen-2-yl)-ethanone57731-17-655 % similar 5-Acetyl-2-thiophenecarboxylic acid4066-41-553 % similar 5-Ethyl-thiophene-2-carboxylic acid23229-72-352 % similar 5-Formyl-2-thiophenecarboxylic acid4565-31-552 % similar 5-Carboxythiophene-2-boronic acid465515-31-552 % similar 5-Phenylthiophene-2-carboxylic acid19163-24-750 % similar 5-(Methylsulfanyl)thiophene-2-carboxylic acid20873-58-950 % similar Methyl 5-chlorothiophene-2-carboxylate35475-03-750 % similar 5-Nitro-2-thiophenecarboxylic acid6317-37-947 % similar 2,5-Dichloro-3-thiophenecarboxylic acid36157-41-247 % similar Ethyl 5-chlorothiophene-2-carboxylate5751-82-646 % similar 7-Chlorobenzo[b]thiophene-2-carboxylic acid90407-16-246 % similar