1,1-diketobenzothiophen-3-one

1,1-dioxo-1-benzothiophen-3-one

Benzo[b]thiophen-3(2H)-one 1,1-dioxide

benzo[b]thiophene-3(2H)-one 1,1-dioxide

3-Oxo-2,3-dihydro-1-benzothiophene 1,1-dioxide

3-OXO-2,3-DIHYDROBENZO[B]THIOPHENE 1,1-DIOXIDE