Cytidine, N-benzoyl-2′-O-2-propynyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Uridine, 4-O-(2,6-dichlorophenyl)-2′-O-2-propynyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3-[(1,1-dimethylethoxy)methyl]-2′-O-2-propynyl-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3-[(1,1-dimethylethoxy)methyl]-2′-O-2-propynyl-

Uridine, 3-[(1,1-dimethylethoxy)methyl]-2′-O-2-propynyl-

Uridine, 3-[(2,2-dimethyl-1-oxopropoxy)methyl]-2′-O-2-propynyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(2-methoxyethyl)-, 3′-[2-(methyldiphenylsilyl)ethyl phosphonate]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(2-methoxyethyl)-, 3′-[2-(methyldiphenylsilyl)ethyl bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[2-(methyldiphenylsilyl)ethyl phosphonate]

5-(2,3,5-Tri-O-acetyl-β-D-ribofuranosyl)-5H-imidazo[4,5-c]pyridazine

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-N-[4-(1,1-dimethylethyl)benzoyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

4-[(Phenylmethyl)amino]-1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-2(1H)-pyridinone