(2R,3S)-5-(benzyloxy)-3-(tert-butyldimethylsilyloxy)-2-methylpentanal

(-)-(R)-4-benzyl-3-[(2R,3S)-5-(benzyloxy)-3-hydroxy-2-methylpentanoyl]-1,3-oxazolidin-2-one

(3S,4S)-3-(tert-butyldimethylsilyloxy)-4-methyloctan-1-ol

(R)-2-((S)-2-{(S)-2-[(3S,4S)-3-(tert-Butyl-dimethyl-silanyloxy)-4-methyl-octanoylamino]-3-phenyl-propionylamino}-propionylamino)-4-methyl-pentanoic acid benzyl ester

(-)-(2S,3S)-5-(benzyloxy)-3-(tert-butyldimethylsilyloxy)-2-methylpentan-1-ol