1H-Pyrrolo(3,4-d)pyrimidine-2,4(3H,6H)-dione, 3,5-dimethyl-7-phenyl- 3,5-Dimethyl-7-phenyl-1H-pyrrolo(3,4-d)pyrimidine-2,4(3H,6H)-dione 57436-23-4 BRN 0618635