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-

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

7-[5-[(Aminosulfonyl)amino]-5-deoxypentofuranosyl]-5-[2-[2-(ethylsulfonyl)-6-fluoro-4-[(3R)-3-fluoro-1-pyrrolidinyl]phenyl]ethynyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

(3R)-1-[4-[2-[4-Amino-7-[5-[(aminosulfonyl)amino]-5-deoxypentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]ethynyl]-3-(ethylsulfonyl)-5-fluorophenyl]-3-pyrrolidinol

(3R)-1-[4-[2-[4-Amino-7-[5-[(aminosulfonyl)amino]-5-deoxypentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]ethynyl]-3,5-difluorophenyl]-3-piperidinol

(3R)-1-[4-[2-[4-Amino-7-[5-[(aminosulfonyl)amino]-5-deoxypentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]ethynyl]-3,5-difluorophenyl]-3-pyrrolidinol

7-[5-[(Aminosulfonyl)amino]-5-deoxypentofuranosyl]-5-[2-[2,6-difluoro-4-[(3R)-3-fluoro-1-pyrrolidinyl]phenyl]ethynyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

9-(3,5-Di-O-acetyl-2-deoxy-2-fluoro-β-D-arabinofuranosyl)-6-(1,1-dimethylethyl)-8-(diphenylphosphinyl)-9H-purine

9-(3,5-Di-O-acetyl-2-deoxy-2-fluoro-β-D-arabinofuranosyl)-6-(1,1-dimethylethyl)-9H-purine