1,6-Dimethylpyrimido[5,4-e][1,2,4]triazine-5,7(1H,6H)-dione

Pyrimido(5,4-E)-as-triazine-5,7-(1H,6H)-dione, 1,6-dimethyl-

1,6-Dimethyl-5,7-dioxo-1,5,6,7-tetrahydropyrimido[5,4-e]-as-triazine

Pyrimido(5,4-E)-1,2,4-triazine-5,7-(1H,6H)-dione, 1,6-dimethyl- (9ci)