2,7-Diphenyl-5-methyl-1,6-dihydro-4H-pyrrolo(3,4-d)pyrimidin-4-one 4H-Pyrrolo(3,4-d)pyrimidin-4-one, 1,6-dihydro-2,7-diphenyl-5-methyl- 57436-33-6 BRN 0621044