2,3,4-tri-O-benzyl-L-arabinose diethyl dithioacetal

((2R,3R,4R)-2,3,4-tris(benzyloxy)-5-(trityloxy)pentane-1,1-diyl)bis(ethylsulfane)

Toluene-4-sulfonic acid (2S,3S,4R)-2,3,4-tris-benzyloxy-5-oxo-pentyl ester

2,3,4-tri-O-benzyl-5-deoxy-5-iodo-L-arabinose

(2R,3S,4S)-2,3,4-tris(benzyloxy)-1,1-bis(ethylsulfanyl)-5-(trityloxy)pentane