Thymidine, [P(R)]-P-deoxo-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-P(O)-[(1R)-2-(methylamino)-1-phenylethyl]thymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, P-deoxo-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-P(O)-[(1R)-2-[(1-methylethyl)amino]-1-phenylethyl]thymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, P-deoxo-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-P(O)-[(1R,2S)-2-(methylamino)-1,2-diphenylethyl]thymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, P-deoxo-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-P(O)-[(1R,2S)-2-(methylamino)-1-phenylpropyl]thymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, 5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-O-[(2R,4S)-3-methyl-4-(1-methylethyl)-1,3,2-oxazaphospholidin-2-yl]-

Thymidine, 5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-O-[(2R,5R)-3-methyl-5-(1-methylethyl)-1,3,2-oxazaphospholidin-2-yl]-

Thymidine, 5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-O-[(2R,5R)-3-(1-methylethyl)-5-phenyl-1,3,2-oxazaphospholidin-2-yl]-

Guanosine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

Guanosine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

Guanosine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

N-[5-Fluoro-1,2-dihydro-2-oxo-1-[(2R,5S)-tetrahydro-5-(hydroxymethyl)-2-furanyl]-4-pyrimidinyl]butanamide

N-[5-Fluoro-1,2-dihydro-2-oxo-1-[(2R,5S)-tetrahydro-5-(hydroxymethyl)-2-furanyl]-4-pyrimidinyl]cyclohexanecarboxamide

Cytidine, N-(benzo[b]thien-2-ylcarbonyl)-2′,3′-dideoxy-5-fluoro-

N-[5-Fluoro-1,2-dihydro-2-oxo-1-[(2R,5S)-tetrahydro-5-(hydroxymethyl)-2-furanyl]-4-pyrimidinyl]-3-pyridinecarboxamide

N-[5-Fluoro-1,2-dihydro-2-oxo-1-[(2R,5S)-tetrahydro-5-(hydroxymethyl)-2-furanyl]-4-pyrimidinyl]-2-thiophenecarboxamide

N-[5-Fluoro-1,2-dihydro-2-oxo-1-[(2R,5S)-tetrahydro-5-(hydroxymethyl)-2-furanyl]-4-pyrimidinyl]-2-furancarboxamide

4-(1,1-Dimethylethyl)-N-[5-fluoro-1,2-dihydro-2-oxo-1-[(2R,5S)-tetrahydro-5-(hydroxymethyl)-2-furanyl]-4-pyrimidinyl]benzamide

4-Butyl-N-[5-fluoro-1,2-dihydro-2-oxo-1-[(2R,5S)-tetrahydro-5-(hydroxymethyl)-2-furanyl]-4-pyrimidinyl]benzamide

N-[5-Fluoro-1,2-dihydro-2-oxo-1-[(2R,5S)-tetrahydro-5-(hydroxymethyl)-2-furanyl]-4-pyrimidinyl]-4-propylbenzamide

4-Ethyl-N-[5-fluoro-1,2-dihydro-2-oxo-1-[(2R,5S)-tetrahydro-5-(hydroxymethyl)-2-furanyl]-4-pyrimidinyl]benzamide