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

Thymidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-P-selenocytidylyl-(3′→5′)-, 3′-acetate

[P(S)]-P-Selenothymidylyl-(3′→5′)-[P(S)]-2′-deoxy-P-selenocytidylyl-(3′→5′)-[P(S)]-P-selenothymidylyl-(3′→5′)-[P(S)]-2′-deoxy-P-selenocytidylyl-(3′→5′)-[P(S)]-2′-deoxy-P-selenoadenylyl-(3′→5′)-2′-deoxyguanosine

[P(R)]-P-Selenothymidylyl-(3′→5′)-[P(R)]-2′-deoxy-P-selenocytidylyl-(3′→5′)-[P(R)]-P-selenothymidylyl-(3′→5′)-[P(R)]-2′-deoxy-P-selenocytidylyl-(3′→5′)-[P(R)]-2′-deoxy-P-selenoadenylyl-(3′→5′)-2′-deoxyguanosine

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(2-methyl-1-oxopropyl)-3′-O-(2-selenido-3-oxa-1-thia-2-phosphaspiro[4.5]dec-2-yl)-, 6-(diphenylcarbamate)

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-(2-selenido-3-oxa-1-thia-2-phosphaspiro[4.5]dec-2-yl)-

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-(2-selenido-3-oxa-1-thia-2-phosphaspiro[4.5]dec-2-yl)-

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-(2-selenido-3-oxa-1-thia-2-phosphaspiro[4.5]dec-2-yl)-

Thymidine, [P(S)]-2′-deoxy-P-selenoguanylyl-(3′→5′)-, 3′-acetate

Thymidine, [P(R)]-2′-deoxy-P-selenoguanylyl-(3′→5′)-, 3′-acetate

[P(S)]-2′-Deoxy-P-selenoadenylyl-(3′→5′)-thymidine

[P(R)]-2′-Deoxy-P-selenoadenylyl-(3′→5′)-thymidine

Thymidine, [P(S)]-2′-deoxy-P-selenocytidylyl-(3′→5′)-

Thymidine, [P(R)]-2′-deoxy-P-selenocytidylyl-(3′→5′)-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(2-methyl-1-oxopropyl)-3′-O-(2-selenido-3-oxa-1-thia-2-phosphaspiro[4.5]dec-2-yl)-

5′-Adenylic acid, diethyl ester

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 3′-[4-chlorophenyl (R)-phosphonate]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 3′-[methyl (S)-phosphonate]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 3′-[methyl (R)-phosphonate]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-methyl-1-oxopropyl)-, 3′-[methyl (S)-phosphonate]