1047630-72-7

4-broMo-5-chlorothiophene-2-carboxylate methyl 4-bromo-5-chloro-2-thiophenecarboxyl Methyl 4-broMo-5-chlorothiophene-2-carboxylate methyl 4-bromo-5-chloro-2-thiophenecarboxylate 4-Bromo-5-chloro-2-thiophenecarboxylic acid methyl ester 2-Thiophenecarboxylic acid, 4-bromo-5-chloro-, methyl ester