(S)-Acetoxy-((3aS,4R,6R,6aR)-2,2-dimethyl-6-trityloxymethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl)-acetic acid methyl ester

methyl 2-(2,3-O-isopropylidene-5-O-trityl-β-D-ribofuranosyl)-maleamate

1-(β-D-ribofuranosyl)-6-nitroindole

2-((4S,5S)-2,2-dimethyl-5-vinyl-1,3-dioxolan-4-yl)-1-(trityloxy)but-3-en-2-ol

1-(O2,O3-isopropylidene-α-D-ribofuranosyl)-5,6-dimethyl-1H-benzimidazole