2,4-dimethoxy-5-nitro-6-C-<(2,3-O-isopropylidene-5-O-(triphenylmethyl)-β-D-ribofuranosyl)methyl>pyrimidine

2,4-dimethoxy-5-nitro-6-C-<(2,3-O-isopropylidene-5-O-(triphenylmethyl)-α-D-ribofuranosyl)methyl>pyrimidine

(3aR,4S,6R,6aR)-4-Iodomethyl-2,2-dimethyl-6-trityloxymethyl-tetrahydro-furo[3,4-d][1,3]dioxole

diethyl (2,3-isopropylidene-5-trityl-α-D-ribofuranosyl)-methanephosphonate