3-肼基-6-苯基吡嗪

2-甲基-6-苯基吡嗪-3(2h)-酮

3,5-diphenyl-4,5-dihydro-1H-pyridazin-6-one

2-(hydroxymethyl)-6-phenylpyridazin-3-one

6-苯基-3-氨基哒嗪