| 英文同义词: | 4-CHLORO-5-(1-METHYLHYDRAZINO)-2-PHENYLPYRIDAZIN-3(2H)-ONE;4-Chloro-5-(1-methylhydrazino)-2-phenyl-3(2H)-pyridazinone;3(2H)-Pyridazinone, 4-chloro-5-(1-methylhydrazinyl)-2-phenyl-;4-Chloro-5-(1-methylhydrazino)-2-phenyl-2,3-dihydropyridazin-3-one |