1,5-Anhydro-4,6-O-benzylidene-2-O-(tert-butyldimethylsilyl)-3-deoxy-3-C-((hydroxymethyl)methylene)-D-ribo-hexitol

1,5-Anhydro-4,6-O-benzylidene-2-O-(tert-butyldimethylsilyl)-3-deoxy-3-C-((E)-carbethoxymethylene)-D-ribo-hexitol

1,5-anhydro-3-O-pivaloyl-D-glucitol

1,5-anhydro-6-O-monomethoxytrityl-3-O-pivaloyl-4-deoxy-D-glucitol