14840-71-2 2-Thia-1,3-diazatricyclo(3.3.1.1(sup 3,7))decan-6-one, 5,7-diphenyl-, 2,2-dioxide 5,7-Diphenyl-2-thia-1,3-diazatricyclo(3.3.1.1(sup 3,7))decan-6-one 2,2-dioxide BRN 5411459