3'-O-(4,4'-dimethoxytrityl)-5'-formylthymidine

Trifluoro-methanesulfonic acid (2S,3S,5R)-3-(tert-butyl-dimethyl-silanyloxy)-2-(tert-butyl-dimethyl-silanyloxymethyl)-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester

2,2,2-Trifluoro-N-[(2R,3S,5R)-3-hydroxy-2-hydroxymethyl-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl]-acetamide

1-[(2R,4S,5R)-5-Methoxymethyl-4-(tetrahydro-pyran-2-yloxy)-5-(tetrahydro-pyran-2-yloxymethyl)-tetrahydro-furan-2-yl]-5-methyl-1H-pyrimidine-2,4-dione

N-[(2R,3S,5R)-2-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-3-hydroxy-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl]-2,2,2-trifluoro-acetamide

Benzoic acid (2S,3S,5R)-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-3-(tetrahydro-pyran-2-yloxy)-2-(tetrahydro-pyran-2-yloxymethyl)-tetrahydro-furan-2-ylmethyl ester

1-[(2R,4S,5R)-5-Aminomethyl-4-(tert-butyl-dimethyl-silanyloxy)-5-(tert-butyl-dimethyl-silanyloxymethyl)-tetrahydro-furan-2-yl]-5-methyl-1H-pyrimidine-2,4-dione

3',5'-O-(bis-tetrahydropyranyl)-4'-C-hydroxymethylthymidine

4'-hydroxymethyl-thymidine

4'-C-methoxymethylthymidine

N-[(2R,3S,5R)-3-(tert-Butyl-dimethyl-silanyloxy)-2-(tert-butyl-dimethyl-silanyloxymethyl)-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl]-2,2,2-trifluoro-acetamide

4'-C-benzoyloxymethylthymidine

1-[(2R,4S,5R)-4-(tert-Butyl-dimethyl-silanyloxy)-5-(tert-butyl-dimethyl-silanyloxymethyl)-5-hydroxymethyl-tetrahydro-furan-2-yl]-5-methyl-1H-pyrimidine-2,4-dione