Adenosine, N-(1-oxobutyl)-, 2′,3′,5′-tributanoate

Thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenosine

5′-Thymidylic acid, 2′-deoxy-N-(4-methoxybenzoyl)cytidylyl-(5′→3′)-, 5′-monoanhydride with 2,4,6-trimethylbenzoic acid

5′-Thymidylic acid, 2′-deoxycytidylyl-(5′→3′)-, 5′-monoanhydride with 2,4,6-trimethylbenzoic acid

Cytidine, 5′-O-(hydroxy-4-morpholinylphosphinyl)thymidylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)-

Cytidine, 5′-O-[hydroxy(propylamino)phosphinyl]thymidylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)-

Cytidine, 5′-O-(aminohydroxyphosphinyl)thymidylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)-

Guanosine, 5′-O-[hydroxy(4-morpholinyl)phosphinyl]thymidylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)cytidylyl-(3′→5′)-thymidylyl-(3′→5′)-N-benzoyl-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-

Guanosine, 5′-O-[hydroxy(propylamino)phosphinyl]thymidylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)cytidylyl-(3′→5′)-thymidylyl-(3′→5′)-N-benzoyl-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-

Cytidine, 5′-O-(hydroxy-4-morpholinylphosphinyl)thymidylyl-(3′→5′)-2′-deoxy-

Cytidine, 5′-O-[hydroxy(propylamino)phosphinyl]thymidylyl-(3′→5′)-2′-deoxy-

Cytidine, 5′-O-(aminohydroxyphosphinyl)thymidylyl-(3′→5′)-2′-deoxy-

Cytidine, 2′-deoxy-, 5′-(hydrogen P-4-morpholinylphosphonate)

Cytidine, 2′-deoxy-, 5′-(hydrogen propylphosphoramidate)

Cytidine, 2′-deoxy-, 5′-(hydrogen phosphoramidate)

Adenosine, 5′-deoxy-5′-[6-(methylthio)-9H-purin-9-yl]-

Adenosine, 5′-deoxy-5′-(1H-indol-1-yl)-

4-(Methylthio)-7-β-D-ribofuranosyl-7H-imidazo[4,5-d]-1,2,3-triazine

4-(Methylthio)-7-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-7H-imidazo[4,5-d]-1,2,3-triazine

Uridine, 2′-deoxy-4-seleno-