6-[2’-deoxy-3’-O-dimethoxytrityl-5’-O-tert-butyl(dimethyl)silyl-α,β-D-ribofuranose-1’-yl]amino-5-nitro-2-(phenoxylacetyl)amino-3H-pyrimidine-4-one
6-[2’-deoxy-3’-O-dimethoxytrityl-β-D-ribofuranose-1’-yl]amino-5-nitro-2-(phenoxylacetyl)amino-3H-pyrimidine-4-one
6-[2’-deoxy-3’-O-dimethoxytrityl-5’-O-tert-butyl(dimethyl)silyl-α,β-D-ribofuranose-1’-yl]amino-2-amino-5-nitropyrimidine-3H-4-one
2-deoxy-3-O-dimethoxytrityl-5-O-tert-butyl(dimethyl)silyl-α,β-D-erythropentofuranosyl azide
(2R,3S)-5-Azido-2-(tert-butyl-dimethyl-silanyloxymethyl)-tetrahydro-furan-3-ol