(5S,6R)-6-(tert-butyldimethylsilanyloxy)-5-[(R)-1-(tert-butyldimethylsilanyloxy)allyl]non-8-ynnitrile

(5S,6R)-6-(tert-butyldimethylsilanyloxy)-5-[(R)-1-(tert-butyldimethylsilanyloxy)allyl]oct-8-yn-1-ol

methyl 4,6-O-benzylidene-3-C-butyl-3-deoxy-α-D-altropyranoside