erythro-methyl 2-((tert-butoxycarbonyl)amino)-3-hydroxy-3-phenylpropanoate

(E)-(R)-2-Acetylamino-2-benzoyl-5-phenyl-pent-4-enoic acid methyl ester

tert-butyl (4R,5R)-4-((E)-4-(4-((tert-butoxycarbonyl)-amino)phenyl)-3-oxobut-1-en-1-yl)-2,2-dimethyl-5-phenyloxazolidine-3-carboxylate

2-Amino-3-oxo-3-phenylpropionic acid methylester