2-(3-苯基-1,2,4-噁二唑-5-基)乙酸乙酯

ethyl 3-[(4-methylquinolin-2-yl)amino]-3-oxopropanoate

ethyl 3-[(5-methyl-1,2-oxazol-3-yl)amino]-3-oxopropanoate

5-bromo-2-[(3-ethoxy-3-oxopropanoyl)amino]benzoic acid

3-[(4-氯苯基)氨基]-3-氧代丙酸乙酯