英文别名2-Thiophenecarboxylic acid, 5-chloro-2,3-dihydro-3-oxo-, methyl ester; methyl 5-chloro-3-oxo-2,3-dihydro-thiophene-2-carboxylate; 2-Thiophenecarboxylic acid, 5-chloro-3-hydroxy-, methyl ester; methyl 5-chloro-3-hydroxythiophene-2-carboxylate; METHYL-5-CHLORO-3-HYDROXYTHIOPHENE-2-CARBOXYLATE 
