(2S)-3-amino-2-[(tert-butoxycarbonyl)amino]propionamide hydrochloride

3-氨基-N-Cbz-L-丙氨酸

天冬酰胺

(1'S,4S)-1-(1'-Phenyleth-1'-yl)-4-methoxycarbonylimidazolidin-2-one

Boc-D-2.3-二氨基丙酸