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

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'-C-methoxymethylthymidine

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