Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)-5-methyl-2′-O-methyluridylylmethylene(methylimino)-(3′→5′)-2′-deoxy-2′-fluoro-5-methyl-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)thymidylylmethylene(methylimino)-(3′→5′)-2′-O-(2-methoxyethyl)-5-methyl-

Uridine, 3′-de(phosphinicooxy)-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methyl-β-D-arabino-uridylylmethylene(methylimino)-(3′→5′)-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-deoxy-2′-fluoro-5-methyl-

Uridine, 3′-de(phosphinicooxy)-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methyl-β-D-arabino-uridylylmethylene(methylimino)-(3′→5′)-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methyl-2′-O-methyl-

Uridine, 2′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-fluoro-5-methyl-, 3′-[O-(4-methylphenyl) carbonothioate]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-5-methyl-2′-O-methyl-, 3′-[O-(4-methylphenyl) carbonothioate]

Uridine, 2′,3′-dideoxy-3′-(dihydro-5-methyl-4H-1,3,5-dithiazin-2-yl)-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-fluoro-5-methyl-

1-[3-Deoxy-3-(dihydro-5-methyl-4H-1,3,5-dithiazin-2-yl)-5-O-[(1,1-dimethylethyl)diphenylsilyl]-2-O-[(trifluoromethyl)sulfonyl]-β-D-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[3-Deoxy-3-(dihydro-5-methyl-4H-1,3,5-dithiazin-2-yl)-5-O-[(1,1-dimethylethyl)diphenylsilyl]-2-O-(methylsulfonyl)-β-D-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

Uridine, 3′-de(phosphinicooxy)thymidylylmethylene(methylimino)-(3′→5′)-2′-O-(2-methoxyethyl)-5-methyl-

Uridine, 3′-de(phosphinicooxy)thymidylylmethylene(methylimino)-(3′→5′)-5-methyl-2′-O-methyl-

Uridine, 3′-de(phosphinicooxy)-5′-O-[(1,1-dimethylethyl)diphenylsilyl]thymidylylmethylene(methylimino)-(3′→5′)-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-O-(2-methoxyethyl)-5-methyl-

Uridine, 5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-de(phosphinicooxy)thymidylylmethylene(methylimino)-(3′→5′)-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methyl-2′-O-methyl-

Uridine, 5′-O-amino-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-O-(2-methoxyethyl)-5-methyl-

Uridine, 5′-O-amino-2′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-fluoro-5-methyl-

Uridine, 5′-O-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-O-(2-methoxyethyl)-5-methyl-

Uridine, 2′-deoxy-5′-O-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-fluoro-5-methyl-

Uridine, 5′-O-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-2′-O-(2-methoxyethyl)-5-methyl-

Guanosine, 2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-3′-O-(3-mercaptopropyl)-

Cytidine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-3′-O-(3-mercaptopropyl)-