(2S,3R,4S)-3-(tert-Butyl-dimethyl-silanyloxy)-2,4-dimethyl-5-oxo-pentanoic acid methoxy-methyl-amide

(2S,3S,4S)-3-(tert-Butyl-dimethyl-silanyloxy)-4-[1,3]dithian-2-yl-2-methyl-pentanal

(R)-1-Benzyloxy-3-{2-[(1S,2S,3S)-2-(tert-butyl-dimethyl-silanyloxy)-4,4-dimethoxy-1,3-dimethyl-butyl]-[1,3]dithian-2-yl}-propan-2-ol