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

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

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(2R,5S)-3-methyl-5-phenyl-1,3,2-oxazaphospholidin-2-yl]-

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

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

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

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

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

[P(R)]-2′-Deoxy-P-thiocytidylyl-(3′→5′)-[P(R)]-2′-deoxy-P-thioadenylyl-(3′→5′)-[P(R)]-2′-deoxy-P-thioguanylyl-(3′→5′)-thymidine

[P(S)]-P-Thiothymidylyl-(3′→5′)-[P(S)]-P-thiothymidylyl-(3′→5′)-[P(S)]-P-thiothymidylyl-(3′→5′)-thymidine

[P(R)]-P-Thiothymidylyl-(3′→5′)-[P(R)]-P-thiothymidylyl-(3′→5′)-[P(R)]-P-thiothymidylyl-(3′→5′)-thymidine

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

[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