[P(R)]-6-O-(2-Cyanoethyl)-2′-deoxy-N-(2-methyl-1-oxopropyl)-P-thioguanylyl-(3′→5′)-thymidine

[P(R)]-N-Benzoyl-2′-deoxy-P-thiocytidylyl-(3′→5′)-thymidine

[P(R)]-N-Benzoyl-2′-deoxy-P-thioadenylyl-(3′→5′)-thymidine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-6-O-(2-cyanoethyl)-2′-deoxy-N-(2-methyl-1-oxopropyl)-3′-O-[(2S,5S)-3-methyl-5-phenyl-1,3,2-oxazaphospholidin-2-yl]guanosine

Thymidine, [P(R)]-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-P-thiothymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, [P(S)]-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-P-thiothymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

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

[P(R)]-P(O)-[(1R)-2-(Acetylmethylamino)-1-phenylethyl]-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-P-thiothymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]thymidine

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