(2S,3R,4S)-3-(tert-butyl(dimethyl)silyloxy)-N-methoxy-N,2,4-trimethylhexanamide

(2S,3R,4R,5R,6S)-5-(tert-Butyl-dimethyl-silanyloxy)-3-hydroxy-2,4,6-trimethyl-octanoic acid methoxy-methyl-amide

(S)-3-[(2S,3R,4R,5R,6S)-5-(tert-Butyl-dimethyl-silanyloxy)-3-hydroxy-2,4,6-trimethyl-octanoyl]-4-isopropyl-oxazolidin-2-one