6,7-dihydro-5H-benzo[b]thiophen-4-one-(2,4-dinitro-phenylhydrazone)
4,5,6,7-tetrahydrobenzo[b]thiophene
4,5,6,7-tetrahydrobenzo[b]thiophene-2-carboxylic acid
2-Carboxamido-4,5,6,7-tetrahydrobenzothiophen
4,5,6,7-tetrahydro-4-oxobenzo[b]thiophene oxime