1H-Pyrrolo(2,3-d)pyrimidine-2,4(3H,5H)-dione, 6,7-dihydro-1,3-dimethyl- 39929-83-4 6,7-Dihydro-1,3-dimethyl-1H-pyrrolo(2,3-d)pyrimidine-2,4(3H,5H)-dione BRN 0646299