3′-Uridylic acid, guanylyl-(3′→5′)-uridylyl-(3′→5′)-1-methylguanylyl-(3′→5′)-guanylyl-(3′→5′)-cytidylyl-(3′→5′)-guanylyl-(3′→5′)-

Guanosine, guanylyl-(3′→5′)-uridylyl-(3′→5′)-1-methylguanylyl-(3′→5′)-

3′-Guanylic acid, 5′-O-phosphonocytidylyl-(3′→5′)-uridylyl-(3′→5′)-uridylyl-(3′→5′)-inosinylyl-(3′→5′)-

3′-Guanylic acid, cytidylyl-(3′→5′)-uridylyl-(3′→5′)-uridylyl-(3′→5′)-inosinylyl-(3′→5′)-

Adenosine, N-benzoyl-3′-O-benzoyl-5′-O-[(4-methoxyphenyl)diphenylmethyl]-P-[2-(4-nitrophenyl)ethyl]adenylyl-(2′→5′)-N-benzoyl-3′-O-benzoyl-P-[2-(4-nitrophenyl)ethyl]adenylyl-(2′→5′)-N-benzoyl-2′,3′-O-(4-ethoxy-1-methyl-4-oxobutylidene)-

2′-Adenylic acid, N-benzoyl-5′-O-[(4-methoxyphenyl)diphenylmethyl]-, mono[2-(4-nitrophenyl)ethyl] ester, 3′-benzoate

2′-Adenylic acid, N-benzoyl-5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 2-chlorophenyl 2-(4-nitrophenyl)ethyl ester, 3′-benzoate

Adenosine, 5′-O-phosphonothymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-, 3′-(dihydrogen phosphorothioate)

Adenosine, 5′-O-phosphonothymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-, 3′-[S-[2-[[3-[(2-chloroethyl)[4-(hydroxymethyl)phenyl]amino]propyl]methylamino]ethyl] hydrogen phosp...

Adenosine, 5′-O-phosphonothymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-, 3′-[S-[2-[[3-[(2-chloroethyl)(4-formylphenyl)amino]propyl]methylamino]ethyl] hydrogen phosphorothioate]

5-β-D-Ribofuranosyl-5H-imidazo[4,5-d]pyridazin-7-amine

1-β-D-Ribofuranosyl-1H-imidazo[4,5-d]pyridazin-7-amine

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

4-(Methylthio)-1-β-D-ribofuranosyl-1H-imidazo[4,5-d]pyridazine

3,5-Dihydro-3-β-D-ribofuranosyl-4H-imidazo[4,5-d]pyridazine-4-thione

1,5-Dihydro-1-β-D-ribofuranosyl-4H-imidazo[4,5-d]pyridazine-4-thione

3,5-Dihydro-3-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-4H-imidazo[4,5-d]pyridazine-4-thione

1,5-Dihydro-1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-4H-imidazo[4,5-d]pyridazine-4-thione

4-Hydroxy-1-β-D-ribofuranosyl-1H-imidazole-5-carboxamide

Cytidine, 2′-deoxy-5-fluoro-N-(4-methylbenzoyl)-, 3′,5′-dibenzoate