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)-

Guanosine, 3′-azido-2′,3′-dideoxy-N-[(dimethylamino)methylene]-

Guanosine, 3′-azido-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′,3′-dideoxy-N-[(dimethylamino)methylene]-

N′-[9-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-3-O-(methylsulfonyl)-β-D-threo-pentofuranosyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-N,N-dimethylmethanimidamide

3′-Azido-2′,3′-dideoxy-N-(2-methyl-1-oxopropyl)guanosine

N-[9-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-3-O-(methylsulfonyl)-β-D-threo-pentofuranosyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-2-methylpropanamide

2-Amino-9-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-threo-pentofuranosyl]-1,9-dihydro-6H-purin-6-one

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 2′-methanesulfonate

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 2′-(4-methylbenzenesulfonate)