methyl (R)-2-amino-3-(4-methoxyphenyl)propanoate
di-tert-butyl dicarbonate
(2R)-tert-butoxycarbonylamino-3-(4-methoxyphenyl)propionic acid methyl ester
(Z)-(R)-4-tert-Butoxycarbonylamino-5-(4-methoxy-phenyl)-pent-2-enoic acid methyl ester
[(Z)-(R)-4-Hydroxy-1-(4-methoxy-benzyl)-but-2-enyl]-carbamic acid tert-butyl ester
(R)-2-(4-Methoxy-benzyl)-2,5-dihydro-pyrrole-1-carboxylic acid tert-butyl ester
(R)-2-(p-methoxyphenyl)methy-2,5-dihydropyrrole
ethyl (1R,4R,5R)-5-[1-(tert-butoxycarbonyl)amino-2-(4-methoxyphenyl)ethyl]-2,2-dimethyl-1,3-dioxolane-4-carboxylate