1H-Pyrrolo(2,3-d)pyrimidine-2,4(3H,7H)-dione, 3,7-dimethyl-1-phenyl- 3,7-Dimethyl-1-phenyl-1H-pyrrolo(2,3-d)pyrimidine-2,4(3H,7H)-dione 39929-60-7 BRN 0674198