2-[(2R,3S,4R)-2,3,4-Tris-benzyloxy-5-(tert-butyl-diphenyl-silanyloxy)-pentyl]-malonic acid dimethyl ester

2,3,4-tri-O-benzyl-D-lyxose diethyl dithioacetal

Methanesulfonic acid (2S,3S,4S)-2,3,4-tris-benzyloxy-5,5-bis-ethylsulfanyl-pentyl ester

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