1-[4-(2-氧代氮杂环庚烷-1-羰基)苯甲酰基]氮杂环庚-2-酮

ditert-butyl benzene-1,4-dicarboxylate

ethyl 4-[[4-[(4-ethoxycarbonylphenyl)carbamoyl]benzoyl]amino]benzoate

对苯二甲酰胺

对苯二甲酸二(十八)酯