(3R,4S,5S)-4,5-Bis-benzyloxymethyl-tetrahydro-furan-2,3-diol

(3S)-3-azido-5-O-benzyl-3-deoxy-1,2-O-isopropylidene-3-C-methoxycarbonyl-α-D-erythro-pentose

(2R,3S)-1,3-Bis-benzyloxy-4-octyloxy-butan-2-ol

3-benzamido-5-O-benzyl-3-C-cyano-3-deoxy-1,2-O-isopropylidene-α-D-ribofuranose