Synonyms: BUTTPARK 94\04-52;ETHYL 3-(BUTYLTHIO)-4-OXO-4,5,6,7-TETRAHYDROBENZO[C]THIOPHENE-1-CARBOXYLATE;Ethyl 3-(butylthio)-4-oxo-4,5,6,7-terahydrobenzo[c]thiophene-1-carboxylate;ETHYL 3-(1-N-BUTYLTHIO)-4-OXO-4,5,6,7-TETRAHYDROBENZO(C)THIOPHENE-1-CARBOXYLATE