3-carbamoyl-4-<(2,3-O-isopropylidene-5-O-t-butyldimethylsilyl-β-D-ribofuranosyl)methyl>pyrazole

methyl 4-(2,3-O-isopropylidene-5-O-t-butyldimethylsilyl-β-D-ribofuranosyl)crotonate

(2R,3S,4R,5S)-2-((E)-2,3-diethoxystyryl)-5-ethyltetrahydrofuran-3,4-diol

tert-Butyl-((3aR,4R,6S,6aS)-2,2-dimethyl-6-vinyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-ylmethoxy)-dimethyl-silane