Synonyms: ;Ethyl 2-amino-7-oxo-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate;ethyl 2-amino-7-oxo-4,5,6-trihydrobenzo[b]thiophene-3-carboxylate;2-amino-7-oxo-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid ethyl ester;2-amino-3-ethoxycarbonyl-7-oxo-4,5,6,7-tetrahydrobenzo[b]thiophene;ethyl 2-amino-7-oxocyclohexeno[b]thiophene-3-carboxylate;ethyl 2-amino-7-oxo-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate