Cytidine, 2′-deoxy-P(S)-methyl-P-thioguanylyl-(3′→5′)-2′-deoxy-P(S)-methyl-5-[3-[[1-oxo-5-(trimethylammonio)pentyl]amino]-1-propynyl]-P-thiouridylyl-(3′→5′)-2′-deoxy-P(S)-methyl-P-thioguanylyl-(3′→5′)-2′-deoxy-

Guanosine, 2′-deoxy-P(S)-methyl-P-thioadenylyl-(3′→5′)-2′-deoxy-P(S)-methyl-7-[3-[[1-oxo-3-(trimethylammonio)propyl]amino]-1-propynyl]-P-thio-7-deazaadenylyl-(3′→5′)-2′-deoxy-P(S)-methyl-P-thiocytidylyl-(3′→5′)-2′-deoxy-

Adenosine, 2′-deoxy-P(S)-methyl-P-thioadenylyl-(3′→5′)-2′-deoxy-P(S)-methyl-7-[3-[[1-oxo-3-(trimethylammonio)propyl]amino]-1-propynyl]-P-thio-7-deazaadenylyl-(3′→5′)-2′-deoxy-P(S)-methyl-P-thiocytidylyl-(3′→5′)-2′-deoxy-

Guanosine, 2′-deoxy-P(S)-methyl-P-thioguanylyl-(3′→5′)-2′-deoxy-P(S)-methyl-5-[3-[[1-oxo-5-(trimethylammonio)pentyl]amino]-1-propynyl]-P-thiocytidylyl-(3′→5′)-2′-deoxy-P(S)-methyl-P-thioadenylyl-(3′→5′)-2′-deoxy-

Adenosine, 2′-deoxy-P(S)-methyl-P-thioguanylyl-(3′→5′)-2′-deoxy-P(S)-methyl-5-[3-[[1-oxo-5-(trimethylammonio)pentyl]amino]-1-propynyl]-P-thiocytidylyl-(3′→5′)-2′-deoxy-P(S)-methyl-P-thioadenylyl-(3′→5′)-2′-deoxy-

Cytidine, 2′-deoxy-P(S)-methyl-P-thioguanylyl-(3′→5′)-2′-deoxy-P(S)-methyl-7-[3-[[1-oxo-6-(trimethylammonio)hexyl]amino]-1-propynyl]-P-thio-7-deazaguanylyl-(3′→5′)-2′-deoxy-

Guanosine, 2′-deoxy-P(S)-methyl-P-thioguanylyl-(3′→5′)-2′-deoxy-P(S)-methyl-5-[3-[[1-oxo-6-(trimethylammonio)hexyl]amino]-1-propynyl]-P-thiouridylyl-(3′→5′)-2′-deoxy-

Cytidine, 2′-deoxy-P(S)-methyl-P-thioadenylyl-(3′→5′)-2′-deoxy-P(S)-methyl-7-[3-[[1-oxo-6-(trimethylammonio)hexyl]amino]-1-propynyl]-P-thio-7-deazaadenylyl-(3′→5′)-2′-deoxy-

Adenosine, 2′-deoxy-P(S)-methyl-P-thioguanylyl-(3′→5′)-2′-deoxy-P(S)-methyl-5-[3-[[1-oxo-6-(trimethylammonio)hexyl]amino]-1-propynyl]-P-thiocytidylyl-(3′→5′)-2′-deoxy-

Thymidine 5′-(tetrahydrogen triphosphate), 3′-deoxy-3′-[[6-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-1-thioxohexyl]amino]-

2(1H)-Pyrimidinone, 4-amino-1-[5-[[[2-(2-aminoethoxy)ethoxy]acetyl]amino]-5-deoxy-β-D-arabinofuranosyl]-

4-Amino-1-[5-deoxy-5-[(12,12-dimethyl-1,10-dioxo-3,6,11-trioxa-9-azatridec-1-yl)amino]-β-D-arabinofuranosyl]-2(1H)-pyrimidinone

4-Amino-1-[5-[[[2-(2-aminoethoxy)ethoxy]carbonyl]amino]-5-deoxy-β-D-arabinofuranosyl]-2(1H)-pyrimidinone

2(1H)-Pyrimidinone, 4-amino-1-[5-deoxy-5-[(11,11-dimethyl-1,9-dioxo-2,5,10-trioxa-8-azadodec-1-yl)amino]-β-D-arabinofuranosyl]-

Thymidine, [P(R)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2,4-dinitrophenyl)thymidylyl-(3′→5′)-, 3′-acetate

Thymidine, [P(S)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2,4-dinitrophenyl)thymidylyl-(3′→5′)-, 3′-acetate

Thymidine, 3′-acetate 5′-(2-cyanoethyl 4-nitrophenyl phosphite)

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[2-[(dimethylamino)oxy]ethyl]-N-(2-methyl-1-oxopropyl)-, 3′-(hydrogen butanedioate)

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[2-[(dimethylamino)oxy]ethyl]-5-methyl-, 3′-(hydrogen butanedioate)

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[2-[(dimethylamino)oxy]ethyl]-, 3′-(hydrogen butanedioate)