1,2-O-isopropylidene-4a-carba-β-L-xylofuranose

(3R,4R,5R)-3-O-bromomethyldimethylsilyl-4,5-O-isopropylidenecyclopentane-3,4,5-triol

5-azido-1-O-benzoyl-5-deoxy-2,3-O-isopropylidene-α-D-lyxofuranose