1-Benzothiophene 1-Thiaindene 2,3-Benzothiophene 95-15-8 AI3-15523 BENZO(B)THIOPHENE Benzothiofuran Benzothiophen EINECS 202-395-7 NSC 47196 Thianaphtene Thianaphthen Thianaphthene Thionaphthene