2H-Naphtho(1,2-b)thiopyran, 3,4,4a,5,6,10b-hexahydro-2,4-diphenyl- 3,4,4a,5,6,10b-Hexahydro-2,4-diphenyl-2H-naphtho(1,2-b)thiopyran 65193-64-8 7,8-Benzo-2,4-diphenylhexahydrothiochromene BRN 1395009