(R)-2-amino-N-benzyl-N-(2-hydroxyethyl)propanamide

(R)-<2-<(2-Hydroxyethyl)(phenylmethyl)amino>-1-methyl-2-oxoethyl>carbamic acid 1,1-dimethylethyl ester

(R)-2-(2-Chloro-acetylamino)-propionic acid methyl ester

1-苄基-3-甲基-哌嗪-2,5-二酮