4-[(Phenylmethyl)thio]-1-β-D-ribofuranosyl-1H-1,2,3-triazolo[4,5-d]pyridazine

4-[(1-Methyl-4-nitro-1H-imidazol-5-yl)thio]-1-β-D-ribofuranosyl-1H-imidazo[4,5-d]pyridazine

4-[(1-Methyl-4-nitro-1H-imidazol-5-yl)thio]-1-β-D-ribofuranosyl-1H-1,2,3-triazolo[4,5-d]pyridazine

4-(Methylthio)-1-β-D-ribofuranosyl-1H-1,2,3-triazolo[4,5-d]pyridazine

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

4-[[(4-Nitrophenyl)methyl]thio]-1-β-D-ribofuranosyl-1H-1,2,3-triazolo[4,5-d]pyridazine

4-[(Phenylmethyl)thio]-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-imidazo[4,5-d]pyridazine

4-[(Phenylmethyl)thio]-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-1,2,3-triazolo[4,5-d]pyridazine

4-[(1-Methyl-4-nitro-1H-imidazol-5-yl)thio]-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-imidazo[4,5-d]pyridazine

4-[(1-Methyl-4-nitro-1H-imidazol-5-yl)thio]-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-1,2,3-triazolo[4,5-d]pyridazine

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

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

4-[[(4-Nitrophenyl)methyl]thio]-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-imidazo[4,5-d]pyridazine

4-[[(4-Nitrophenyl)methyl]thio]-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-1,2,3-triazolo[4,5-d]pyridazine

1,5-Dihydro-1-β-D-ribofuranosyl-4H-1,2,3-triazolo[4,5-d]pyridazine-4-thione

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

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

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

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

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