1-Cyclopentyl-6-methyl-3-phenyl-1H-pyrimido[5,4-e][1,2,4]triazine-5,7-dione

1,6-dimethyl-3-phenylpyrimido[5,4-e][1,2,4]triazine-5,7-dione

6-benzylidenehydrazino-1,3-dimethyluracil

1,3-Dimethyl-5-phenylazo-6-{N'-[1-phenyl-meth-(Z)-ylidene]-hydrazino}-1H-pyrimidine-2,4-dione