(1S,6R,8R,9R)-1-hydroxy-6-hydroxymethyl-9-methoxy-8-(thymin-1-yl)-4,7-dioxabicyclo[4.3.0]nonane

Toluene-4-sulfonic acid (2S,3S,4R,5R)-3-benzyloxy-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-3-(2-hydroxy-ethyl)-4-methoxy-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester

(3aR,5R,6R,6aR)-6-Benzyloxy-5-(2,2-dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-6-vinyl-tetrahydro-furo[2,3-d][1,3]dioxole

1-(4-C-acetoxymethyl-3-C-allyl-3-O-benzyl-2,5-di-O-acetyl-β-D-erythro-pentofuranosyl)thymine

3,5-di-O-benzyl-1,2-O-isopropylidene-4-C-(p-toluenesulfonyloxymethyl)-3-C-vinyl-α-D-ribofuranose

3,5-di-O-benzyl-4-C-(hydroxymethyl)-1,2-di-O-isopropylidene-3-C-vinyl-α-D-ribofuranose

4-C-acetoxymethyl-5-O-acetyl-3-C-allyl-3-O-benzyl-1,2-O-isopropylidene-α-D-erythro-pentofuranose

3-O-benzyl-1,2-O-isopropylidene-3-C-vinyl-α-D-allofuranose

Toluene-4-sulfonic acid (2S,3S,4R,5R)-3-allyl-3-benzyloxy-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-methoxy-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester

(3aR,5S,6R,6aR)-6-Allyl-6-benzyloxy-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxole-5-carbaldehyde

1-(3-C-allyl-3-O-benzyl-4-C-tosyloxymethyl-5-O-(4,4'-dimethoxytrityl)-β-D-ribofuranosyl)thymine

(R)-1-((3aR,5R,6R,6aR)-6-Allyl-6-benzyloxy-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-ethane-1,2-diol

1-(3-C-allyl-3-O-benzyl-4-C-tosyloxymethyl-β-D-ribofuranosyl)thymine