(1)Benzothieno(2,3-d)pyrimidine-2(3H)-thione, 5,6,7,8-tetrahydro-3,4-diphenyl- 128352-81-8 5,6,7,8-Tetrahydro-3,4-diphenyl-(1)benzothieno(2,3-d)pyrimidine-2(3H)-thione BRN 3566166