1H-Pyrrolo(3,4-d)pyrimidine-2,4(3H,6H)-dione, 5-methyl-7-phenyl- 5-Methyl-7-phenyl-1H-pyrrolo(3,4-d)pyrimidine-2,4(3H,6H)-dione 57436-22-3 BRN 0614530