Thymidine, P,P-dithiothymidylyl-(3′→5′)-2′-deoxy-P,P-dithioguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidine, 2′-deoxy-P,P-dithioguanylyl-(3′→5′)-P,P-dithiothymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-

Thymidine, 2′-deoxy-P,P-dithioguanylyl-(3′→5′)-P,P-dithiothymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidine, P-thiothymidylyl-(3′→5′)-2′-deoxy-P-thioguanylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-

Thymidine, P-thiothymidylyl-(3′→5′)-2′-deoxy-P-thioguanylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidine, P-thiothymidylyl-(3′→5′)-2′-deoxy-P-thioguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidine, 2′-deoxy-P-thioguanylyl-(3′→5′)-P-thiothymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-

Thymidine, 2′-deoxy-P-thioguanylyl-(3′→5′)-P-thiothymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidine

Thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidine

2′-Deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidine

2′-Deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidine

8-Azaguanosine, guanylyl-(3′→5′)-cytidylyl-(3′→5′)-

Cytidine, 3,3′′-methylenebis-, bis(inner salt)

(1R,3R,4R,7S)-3-(2-Amino-1,6-dihydro-6-oxo-9H-purin-9-yl)-7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-5-methyl-2-oxa-5-azabicyclo[2.2.1]heptan-6-one

2-Amino-9-[(1R,3R,4R,7S)-7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-5-methyl-6-thioxo-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-1,9-dihydro-6H-purin-6-one

(1R,3R,4R,7S)-3-(4-Amino-5-methyl-2-oxo-1(2H)-pyrimidinyl)-7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-5-methyl-2-oxa-5-azabicyclo[2.2.1]heptan-6-one

4-Amino-1-[(1R,3R,4R,7S)-7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-5-methyl-6-thioxo-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-5-methyl-2(1H)-pyrimidinone

(1R,3R,4R,7S)-3-(6-Amino-9H-purin-9-yl)-7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-5-methyl-2-oxa-5-azabicyclo[2.2.1]heptan-6-one

(1R,3R,4R,7S)-3-(6-Amino-9H-purin-9-yl)-7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-5-methyl-2-oxa-5-azabicyclo[2.2.1]heptane-6-thione