2-(4-bromophenyl)-5-(4-tert-butylphenyl)-1,3,4-oxadiazole

N,N'-bis(4-aminophenyl)urea

4-甲酰基-联苯-4-羧酸乙酯

4-ethoxycarbonylbenzoic acid

4-溴-2-氯苯甲酸乙酯