1-[(2R,4S,5S)-5-(tert-Butyl-diphenyl-silanyloxymethyl)-4-(4-methoxy-benzylsulfanylmethyl)-tetrahydro-furan-2-yl]-5-methyl-1H-pyrimidine-2,4-dione

1-[(2R,4S,5S)-5-(tert-Butyl-diphenyl-silanyloxymethyl)-4-(2-nitro-phenyldisulfanylmethyl)-tetrahydro-furan-2-yl]-5-methyl-1H-pyrimidine-2,4-dione

3'-(azidomethyl)-5'-O-tert-butyldimethylsilyl-3'-deoxythymidine

Toluene-4-sulfonic acid (2S,3R,5R)-2-(tert-butyl-diphenyl-silanyloxymethyl)-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-ylmethyl ester