(1S)-1-(7-N-benzyloxymethyl-9-deaza-6-O-methylhypoxanthin-9-yl)-1,4-dideoxy-1,4-imino-2,3-O-isopropylidene-D-ribitol

5-O-[(tert-butyl)dimethylsilyl]-1,4-dideoxy-1,4-imino-2,3-O-isopropylidene-D-ribitol

(3aR,4R,6aS)-4-(((tert-butyldimethylsilyl)oxy)methyl)-2,2-dimethyl-4,6a-dihydro-3aH-[1,3]dioxolo[4,5-c]pyrrole

2-((3aS,4S,6R,6aR)-6-(((tert-butyldimethylsilyl)oxy)methyl)-2,2-dimethyltetrahydro-3aH-[1,3]dioxolo [4,5-c]pyrrol-4-yl)acetonitrile

(3aR,4R,6S,6aS)-tert-butyl 4-(((tert-butyldimethylsilyl)oxy)methyl)-6-(cyanomethyl)-2,2-dimethyldihydro-3aH-[1,3]dioxolo[4,5-c]pyrrole-5(4H)-carboxylate