5-溴-6-苯基-3(2H)-吡嗪酮

5-羟基甲基-6-苯基-4,5-二氢-3(2H)-哒嗪酮

6-phenyl-5-hydroxymethyl-2H-pyridazin-3-one acetate

6-phenyl-5-hydroxymethyl-4,5-dihydro-2H-pyridazin-3-one acetate