[(S)-5-(tert-Butyl-dimethyl-silanyloxy)-4-methyl-2-oxo-pentyl]-phosphonic acid dimethyl ester

(2S,4R)-4-((tert-butoxycarbonyl)amino)-2-methyl-5-phenylpentanoic acid

(1R,3S)-(1-benzyl-4-hydroxy-3-methylbutyl)carbamic acid tert-butyl ester

(3S)-4-<(tert-butyldimethylsilyl)oxy>-3-methylbutanol