1H-Pyrrolo(2,3-d)pyrimidine-2,4(3H,7H)-dione, 5-butyl-1,3-dimethyl-6-phenyl- 5-Butyl-1,3-dimethyl-6-phenyl-1H-pyrrolo(2,3-d)pyrimidine-2,4(3H,7H)-dione 53681-32-6 BRN 0562342