113458-70-1 6,8-dimethyl-4a-(2-thioxo-2,3-dihydro-1H-benzimidazol-5-yl)-2,4,4a,8-tetrahydropyrimido[5,4-e][1,2,4]triazine-3,5,7(6H)-trione 113458-71-2 6,8-dimethyl-4a-(5-methyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2,4,4a,8-tetrahydropyrimido[5,4-e][1,2,4]triazine-3,5,7(6H)-trione