benzo[b]naphto[2,1-d]thiophene, 1,2-Benzodiphenylene sulfide, Benzo[b]naphtho(2,1-d)thiophene, Naphtho(1,2-b)thianaphthene, Benzo[a]dibenzothiophene, 11-Thiabenzo(a)fluorene, Benzo[b]naphtho[2,1-d]thiophene, benzo[b]naphtho[1,2-d]thiophene, benzo[b]naptho[2,1-d]thiophene, 1,2-Benzo-9-thiafluorene, benzo[d]naphtho[1,2-b]thiophene