91421-24-8
2-Acetylamino-3-ethoxycarbonyl-7-oxo-4,5,6,7-tetrahydrobenzo[b]thiophene
96334-42-8
2-(2-Chloro-acetylamino)-7-oxo-4,5,6,7-tetrahydro-benzo[b]thiophene-3-carboxylic acid ethyl ester
96334-43-9
2-Benzoylamino-3-ethoxycarbonyl-7-oxo-4,5,6,7-tetrahydrobenzothiophene

96334-44-0
2-氨基-7-氧代-4,5,6,7-四氢-1-苯并噻吩-3-羧酸乙酯

96334-41-7
ethyl 2-formamido-7-oxo-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate