1,3-Dimethyl-1H-pyrrolo(2,3-d)pyrimidine-2,4(3H,7H)-dione 1H-Pyrrolo(2,3-d)pyrimidine-2,4(3H,7H)-dione, 1,3-dimethyl- 39112-72-6 BRN 0610903 NSC 79227