100-63-0
苯肼
→
1698-58-4
5,6-dichloro-2-phenylpyridazin-3-one
1698-55-1
5-chloro-2-phenyl-1H-pyridazine-3,6-dione
1698-59-5
5-氨基-6-氯-2-苯基哒嗪-3(2H)-酮