4-(甲氧基羰基)环己基-1-羧酸

4-(2-溴乙酰基)苯甲酸甲酯

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

4-胺甲基苯甲醇

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