2-phenyl-5-(4-pyridin-2-ylphenyl)-1,3,4-oxadiazole

2-(4-Bromophenyl)-5-(chloromethyl)-1,3,4-oxadiazole

2-(4-溴苯基)-5-(4-硝基苯基)-1,3,4-噁二唑

2-(4-溴苯基)-5-甲基-1,3,4-噁二唑