3,4,9-trimethyl-1-phenyl-4H-purino[8,7-c][1,2,4]triazine-6,8-dione

9-methyl-1-phenyl-3-thiophen-2-yl-4H-purino[8,7-c][1,2,4]triazine-6,8-dione

丙酮基丙酮二(苯基腙)

ethyl 3-(phenylhydrazinylidene)propanoate

1-(5-甲基-1H-吡唑-4-基)乙酮