2-hydroxy-3-(4-methyl benzenesulfonylamino)-3-phenyl-propionic acid methyl ester

(2R,3S)-3-叔丁氧甲酰胺基-2-羟基-3-苯基-丙胺酸

(4S,5R)-2-Oxo-4-phenyl-oxazolidine-3,5-dicarboxylic acid 3-tert-butyl ester

桂酸甲酯

(2R,3S)-3-acetylamino-2-hydroxy-3-phenylpropanoic acid isopropyl ester