1,3,5-Trimethyl-1H-pyrrolo(3,2-d)pyrimidine-2,4(3H,5H)-dione 1,3,5-Trimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrrolo(3,2-d)pyrimidine 1H-Pyrrolo(3,2-d)pyrimidine-2,4(3H,5H)-dione, 1,3,5-trimethyl- 55276-30-7 BRN 0747940