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

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

4'-hydroxymethyl-thymidine

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

4'-C-benzoyloxymethylthymidine