对溴苯丙酸乙酯

4-乙氧基肉桂酸乙酯

ethyl 2-(1,2,3,4-tetrahydroisoquinolin-1-yl)acetate

(2-甲氧基苯甲酰)乙酸乙酯

2-吡咯烷乙酸乙酯