英文别名5-NITRO-BENZO[B]THIOPHENE-2-CARBOXYLIC ACID ETHYL ESTER; ETHYL 5-NITRO-1-BENZOTHIOPHENE-2-CARBOXYLATE; Benzo[b]thiophene-2-carboxylic acid, 5-nitro-, ethyl ester; ethyl 5-nitro-2-benzo[b]thiophenecarboxylate; Ethyl 5-Nitrobenzothiophene-2-carboxylate