甲基N-[(苄氧基)羰基]-L-丙氨酰-L-丙氨酸酯

2-[[2-[methyl(phenylmethoxycarbonyl)amino]acetyl]amino]propanoic acid

(4S)-4-甲基-2-噁唑烷酮

methyl 2-[3-(phenylmethoxycarbonylamino)propanoylamino]propanoate