3'-O-tert-butyldimethylsilyl-5'-O-tert-butyldiphenylsilyl-4'-C-carboxymethylthymidine

(2R,3S,5R)-3-(tert-Butyl-dimethyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-carboxylic acid

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

1-(3,5-di-O-benzyl-4-C-(hydroxymethyl)-β-D-ribofuranosyl)thymine

1-(3-O-Benzoyl-4-C-benzoyloxymethyl-2-deoxy-α-L-threo-pentofuranosyl)thymine