(2S,3R,4S,5R)-2-(tert-Butyl-diphenyl-silanyloxymethyl)-5-hydroxymethyl-tetrahydro-furan-3,4-diol

2,5-anhydro-1-O-tert-butyldiphenylsilyl-3,4-O-isopropylidene-D-allitol

2,5-anhydro-1-O-tert-butyldiphenylsilyl-3,4-O-isopropylidene-5-C-hydroxymethyl-D-allitol

1-deoxy-1-hydroxymethyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose

2,5-anhydro-1-O-tert-butyldiphenylsilyl-6-O-mesyl-4-O,5-C-methylene-D-allitol