3-chloro-4-phenyl-1,2,5-oxadiazole

3-氯-5-苯基-1,2,4-噁二唑

N-hydroxy-N'-phenyl-oxalamide

5-氯-3-苯基-1,2,4-恶二唑

4-苯基-1,2,5-恶二唑-3-胺