(2R,3S,4R)-4-(tert-Butyl-dimethyl-silanyloxy)-3-[4-(tert-butyl-dimethyl-silanyloxy)-butoxy]-hex-5-ene-1,2-diol

methyl 4,6-O-benzylidene-3-O-[4-{(tert-butyldimethylsilyl)oxy}butyl]-α-D-altropyranoside

(2S,3S,4R,5S,6S)-2-Bromomethyl-3,5-bis-(tert-butyl-dimethyl-silanyloxy)-4-[4-(tert-butyl-dimethyl-silanyloxy)-butoxy]-6-methoxy-tetrahydro-pyran