932-22-9
4,5-二氯-3-羟基哒嗪
+
122-01-0
氯化对氯苯甲酰
→
~80%
450408-66-9
4,5-dichloro-2-(4-chlorobenzoyl)pyridazin-3-one
2491-90-9
2,5-双(4-氯苯基)-1,3,4-噁二唑
790-41-0
4-氯苯甲酸酐
6828-55-3
N'-Benzoyl-4-chlorobenzohydrazide