1,4-苯二甲酸氢1-丁酯

4-propoxycarbonylbenzoate

N,N'-(1,4-亚苯基二羰基)二甘氨酸

2,2'-(1,4-亚苯基)二(1H-苯并咪唑-5-胺)

bis(4-butoxyphenyl) benzene-1,4-dicarboxylate