ethyl 4-(2-iodoethoxy)benzoate

4-(2-溴-乙氧基)-苯甲酸乙酯

ethyl 3-{2-[(2-{[(4-carboxyphenoxy)acetyl]amino}ethyl)amino]-2-oxoethoxy}benzoate

4-(2-Methanesulfonyloxy-ethoxy)-benzoic acid ethyl ester

ethyl 4-<2-(2-cyano-3-methoxy-2-cyclopentenyl)ethoxy>benzoate