4-乙酰基苯甲酸甲酯

methyl 4-(2-chloro-2-oxoethyl)benzoate

4-((5,5,8,8-四甲基-5,6,7,8-四氢萘-2-基)氨基甲酰基)苯甲酸甲酯

4-O-ethyl 1-O-methyl benzene-1,4-dicarboxylate

2-(4-羧基苯基)苯并噻唑