2′-Deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanosine

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

Adenosine, N-benzoyl-3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 5′-(hydrogen phosphonate)

Adenosine, N-[3-(3-chloro-6-oxo-1(6H)-pyridazinyl)propyl]-

Adenosine, N-[3-(6-oxo-3-phenyl-1(6H)-pyridazinyl)propyl]-

Adenosine, N-[2-[3-(1H-imidazol-1-yl)-6-oxo-1(6H)-pyridazinyl]ethyl]-

Adenosine, N-[2-(6-oxo-1(6H)-pyridazinyl)ethyl]-

Adenosine, N-[2-(6-oxo-3-phenyl-1(6H)-pyridazinyl)ethyl]-

Adenosine, N-[2-(3-chloro-6-oxo-1(6H)-pyridazinyl)ethyl]-

Adenosine, N-[2-(1-oxo-2(1H)-phthalazinyl)ethyl]-

4-Chloro-5-[4-(9-β-D-ribofuranosyl-9H-purin-6-yl)-1-piperazinyl]-3(2H)-pyridazinone

5-[4-(9-β-D-Ribofuranosyl-9H-purin-6-yl)-1-piperazinyl]-3(2H)-pyridazinone

6-[4-(9-β-D-Ribofuranosyl-9H-purin-6-yl)-1-piperazinyl]-3(2H)-pyridazinone

Thymidine, 3′-deoxy-5′-O-(phenylmethyl)-3′-[5-[1,2,3,4-tetrahydro-2,4-dioxo-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-5-pyrimidinyl]-1H-1,2,3-triazol-1-yl]-

Thymidine, 3′-deoxy-5′-O-(phenylmethyl)-3′-[4-[1,2,3,4-tetrahydro-2,4-dioxo-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-5-pyrimidinyl]-1H-1,2,3-triazol-1-yl]-

Thymidine, 3′-deoxy-3′-[5-[3,6-dihydro-2,6-dioxo-3-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1(2H)-pyrimidinyl]-1H-1,2,3-triazol-1-yl]-5′-O-(phenylmethyl)-

Thymidine, 3′-deoxy-3′-[4-[3,6-dihydro-2,6-dioxo-3-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1(2H)-pyrimidinyl]-1H-1,2,3-triazol-1-yl]-5′-O-(phenylmethyl)-

Thymidine, 3′-deoxy-3′-[5-[3-[2-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-3,6-dihydro-2,6-dioxo-1(2H)-pyrimidinyl]-1H-1,2,3-triazol-1-yl]-5′-O-(phenylmethyl)-