(S)-2-{3-[(R)-2-[2-(Diethoxy-phosphoryl)-acetylamino]-3-(4-methoxy-phenyl)-propionylamino]-propionyloxy}-4-methyl-pentanoic acid (E)-(1S,2R)-2-methyl-1-(2-oxo-ethyl)-4-phenyl-but-3-enyl ester

2,2-Dimethyl-propionic acid (2R,3S)-5-(tert-butyl-diphenyl-silanyloxy)-2-methyl-3-triethylsilanyloxy-pentyl ester

(S)-2-(4-Methoxy-benzyloxy)-4-methyl-pentanoic acid (E)-(1S,2R)-1-{(E)-3-[(R)-2-(4-methoxy-phenyl)-1-(2-trimethylsilanyl-ethoxycarbonyl)-ethylcarbamoyl]-allyl}-2-methyl-4-phenyl-but-3-enyl ester

(R)-tert-butyl 2-amino-3-(4-methoxyphenyl)propionate

2,2-Dimethyl-propionic acid (2R,3S)-5-(tert-butyl-diphenyl-silanyloxy)-3-hydroxy-2-methyl-pentyl ester