5-O-(tert-butyldiphenylsilyl)-2,3-O-isopropylidene-1-phenyl-D-ribofuranose

(1'S,3'R,4'R,5'R,7'R)-N2-isobutyryl-7-{4'-acetoxy-1'-phenyl-3'-(tert-butyldiphenylsilyloxymethyl)-2',6'-dioxabicyclo[3.3.0]oct-7'-yl}guanine

(1S,2R,3S,4R)-1-deoxy-2-O-methyl-1-phenylribose

(1'S,3'R,4'R,5'R,7'S)-N2-isobutyryl-7-{4'-acetoxy-1'-phenyl-3'-(tert-butyldiphenylsilyloxymethyl)-2',6'-dioxabicyclo[3.3.0]oct-7'-yl}guanine

(1'S,3'R,4'R,5'R,7'R)-N2-isobutyryl-9-{4'-acetoxy-1'-phenyl-3'-(tert-butyldiphenylsilyloxymethyl)-2',6'-dioxabicyclo[3.3.0]oct-7'-yl}guanine

(1'S,3'R,4'R,5'R,7'S)-N2-isobutyryl-9-(4'-hydroxy-3'-hydroxymethyl-1'-phenyl-2',6'-dioxabicyclo[3.3.0]oct-7'-yl)guanine

[(3aR,4S,6R,6aR)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-2,2-dimethyl-4-phenyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl]-acetaldehyde

(1'S,3'R,4'R,5'R,7'S)-N2-isobutyryl-7-(4'-hydroxy-3'-hydroxymethyl-1'-phenyl-2',6'-dioxabicyclo[3.3.0]oct-7'-yl)guanine

N-{4-[(2S,3R,4R,5R)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-3-(tert-butyl-dimethyl-silanyloxy)-4-hydroxy-tetrahydro-furan-2-yl]-phenyl}-2,2,2-trifluoro-acetamide

5'-O-(4,4'-dimethoxytrityl)-1'-deoxy-1'-phenyl-β-D-ribofuranose

N-(4-{(2S,3R,4S,5R)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-3,4-dihydroxy-tetrahydro-furan-2-yl}-phenyl)-2,2,2-trifluoro-acetamide

5'-O-(4,4'-dimethoxytrityl)-2'-O-tert-butyldimethylsilyl-1'-deoxy-1'-phenyl-β-D-ribofuranose

(1S,2R,3S,4R)-1-deoxy-3,5-O-(1,3-disiloxanediyl-1,1,3,3-tetraisopropyl)-2-O-methyl-1-phenylribose

(1R,3R,4R,5R,7RS)-1-phenyl-3-(tert-butyldiphenylsilyloxymethyl)-4,7-diacetoxy-2,6-dioxabicylco[3.3.0]octane

(1S,2R,3S,4R)-1-deoxy-3,5-O-(1,3-disiloxanediyl-1,1,3,3-tetraisopropyl)-1-phenylribose