ethyl 3-(4-acetamidophenyl)propanoate

N-(2-bromophenyl)-N-(3-nitropyridin-2-yl)acetamide

2-乙酰氧基-4-苯基丁酸

(1-乙酰基-4-哌啶基)乙酸酯

ethyl 1-(1-acetyloxyethyl)cyclopentane-1-carboxylate