Synonyms: NSC277834;AC1L85LZ;NSC-277834;3-(3,4-dichlorophenyl)-1,6-dimethyl-4-oxidopyrimido[5,4-e][1,2,4]triazin-4-ium-5,7-dione;32496-16-5;Pyrimido(5,4-e)-1,2,4-triazine-5,7-(1H,6H)-dione, 3-(3,4-dichlorophenyl)-1,6-dimethyl-, 4-oxide;Pyrimido[5,2,4-triazine-5,7(1H,6H)-dione, 3-(3,4-dichlorophenyl)-1,6-dimethyl-, 4-oxide