(4S,4'R,5R)-5-(azidomethyl)-2,2,2',2'-tetramethyl-4,4'-bis(1,3-dioxolane)

(R)-1-((4S,5R)-5-((((benzyloxy)carbonyl)amino)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)-2-(4-methoxyphenyl)ethyl methanesulfonate

2-[1-(1-deoxy-2,3-O-izopropylidene-D-arabinitol-1-yl)-1H-[1,2,3]triazol-4-yl]-5,6-dihydro-9-methyl-4H,8H-pyrimido[1,2,3-cd]purin-8,10(9H)-dione

(2R,3R,4R)-2-(4-methoxybenzyl)pyrrolidine-3,4-diol

benzyl ((4R,5R)-5-((R)-1-hydroxy-2-(4-methoxyphenyl)ethyl)-2,2-dimethyl-1,3-dioxolan-4-ylmethyl)carbamate

(R)-2-((4R,5R)-5-((benzyloxycarbonylamino)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)-2-hydroxyethyl 4-methylbenzenesulfonate

2-[1-(1-deoxy-2,3:4,5-di-O-izopropylidene-D-arabinitol-1-yl)-1H-[1,2,3]triazol-5-yl]-5,6-dihydro-9-methyl-4H,8H-pyrimido[1,2,3-cd]purin-8,10(9H)-dione

1,4-dideoxy -1,4-imino-L-xylitol

2-[1-(1-deoxy-2,3:4,5-di-O-izopropylidene-D-arabinitol-1-yl)-1H-[1,2,3]triazol-4-yl]-5,6-dihydro-9-methyl-4H,8H-pyrimido[1,2,3-cd]purin-8,10(9H)-dione

benzyl ((4R,5S)-2,2-dimethyl-5-((R)-oxiran-2-yl)-1,3-dioxolan-4-ylmethyl)carbamate

Methanesulfonic acid (R)-1-[(4S,5R)-5-(benzyloxycarbonylamino-methyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-2-(tert-butyl-dimethyl-silanyloxy)-ethyl ester

benzyl (2R,3R,4R)-3,4-dihydroxy-2-(4-methoxybenzyl)-pyrrolidine-1-carboxylate