Synonyms: 4,5,6,7-Tetrahydro-4-benzo[b]thiophenone;4,5,6,7-Tetrahydro-4-oxothionaphthene;4,5,6,7-Tetrahydrobenzothiophen-4-one;4,5,6,7-Tetrahydrothianaphthen-4-one;4,5,6,7-Tetrahydrothionaphthen-4-one;4-Oxo-4,5,6,7-tetrahydrobenzo[b]thiophene;4-Oxo-4,5,6,7-tetrahydrothianaphthene;4-keto-4,5,6,7-Tetrahydrothianaphthene;6,7-Dihydro-1-benzo[b]thiophen-4(5H)-one;6,7-Dihydro-1-benzothiophen-4(5H)-one;6,7-Dihydrobenzo[b]thiophen-4(5H)-one;6,7-Dihydrobenzothiophen-4(5H)-one;NSC 99002;