5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-O-dephosphinico-3'-O-methyl-2'-O-(sulfonylimino)inosinylyl-(2'→5')-N-benzoyl-2',5'-dideoxyadenosine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-O-dephosphinico-3′-O-methyl-2′-O-(sulfonylimino)inosinylyl-(2′→5′)-N-benzoyl-2′,5′-dideoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]adenosine

2′-Guanylic acid, 6-deamino-3′-O-dephosphinico-3′-O-(sulfonylimino)adenylyl-(3′→5′)-5′-deoxy-3′-O-methyl-, cyclic nucleotide

2′-Guanylic acid, 6-deamino-3′-O-dephosphinico-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-O-(sulfonylimino)adenylyl-(3′→5′)-5′-deoxy-3′-O-methyl-, cyclic nucleotide

2′-Guanylic acid, 6-deamino-3′-O-dephosphinico-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-O-(sulfonylimino)adenylyl-(3′→5′)-5′-deoxy-3′-O-methyl-N-(2-methyl-1-oxopropyl)-, 2′-(2-cyanoethyl) ester, cyclic nucleotide

6-Deamino-3′-O-dephosphinico-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-O-(sulfonylimino)adenylyl-(3′→5′)-5′-deoxy-3′-O-methyl-N-(2-methyl-1-oxopropyl)guanosine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-6-deamino-3′-O-dephosphinico-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-O-(sulfonylimino)adenylyl-(3′→5′)-2′-O-[bis(4-methoxyphenyl)phenylmethyl]-5′-deoxy-3′-O-methyl-N-(2-methyl-1-oxopropyl)guanosine

1-[(5R,7R,8R,12aR,14R,15R,15aR,16R)-14-(6-Amino-9H-purin-9-yl)-15-fluorodecahydro-2-hydroxy-16-methoxy-2,10,10-trioxido-5,8-methanofuro[2,3-m]-1,3,6,9,10,11,2-tetraoxathiaazaphosphacyclotetradecin-7-yl]-1,5-dihydro-4H-imidazo[4,5-d]pyridazin-4-one

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-O-dephosphinico-3′-O-methyl-2′-O-(sulfonylimino)-2-aza-3-deazainosinylyl-(2′→5′)-N-benzoyl-3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′,5′-dideoxy-2′-fluoroadenosine

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-methyl-β-D-ribofuranosyl]-1,5-dihydro-4H-imidazo[4,5-d]pyridazin-4-one

1,5-Dihydro-1-(3-O-methyl-β-D-ribofuranosyl)-4H-imidazo[4,5-d]pyridazin-4-one

Methyl 1-(2-O-acetyl-5-O-benzoyl-3-O-methyl-β-D-ribofuranosyl)-5-formyl-1H-imidazole-4-carboxylate

Methyl 1-(2-O-acetyl-5-O-benzoyl-3-O-methyl-β-D-ribofuranosyl)-5-(diethoxymethyl)-1H-imidazole-4-carboxylate

7-[(5R,7R,8R,12aR,14R,15R,15aR,16R)-14-(6-Amino-9H-purin-9-yl)-15-fluorodecahydro-2-hydroxy-16-methoxy-2,10,10-trioxido-5,8-methanofuro[2,3-m]-1,3,6,9,10,11,2-tetraoxathiaazaphosphacyclotetradecin-7-yl]-5-fluoro-3,7-dihydro-3-methyl-4H-pyrrolo[2,3-d]pyrimidin-4-one

7-Deazainosine, N-benzoyl-P-(2-cyanoethyl)-2′,5′-dideoxy-2′-fluoro-5′-(sulfoamino)adenylyl-(3′→5′)-7-fluoro-1-methyl-3′-O-methyl-, cyclic ester

3′-Deoxy-2′-O-dephosphinico-3′,7-difluoro-1-methyl-2′-O-(sulfonylimino)-7-deazainosinylyl-(2′→5′)-N-benzoyl-2′,5′-dideoxy-2′-fluoroadenosine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-3′-deoxy-2′-O-dephosphinico-3′,7-difluoro-1-methyl-2′-O-(sulfonylimino)-7-deazainosinylyl-(2′→5′)-N-benzoyl-3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′,5′-dideoxy-2′-fluoroadenosine

7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-methyl-β-D-ribofuranosyl]-5-fluoro-3,7-dihydro-3-methyl-4H-pyrrolo[2,3-d]pyrimidin-4-one

5-Fluoro-3,7-dihydro-3-methyl-7-(3-O-methyl-β-D-ribofuranosyl)-4H-pyrrolo[2,3-d]pyrimidin-4-one

2-Amino-9-[(5R,7R,8R,12aR,14R,15R,15aR,16R)-14-(6-amino-9H-purin-9-yl)-15-fluorooctahydro-10-hydroxy-16-methoxy-2,2,10-trioxido-5,8-methano-3H,12H-furo[2,3-m]-1,6,9,11,2,3,10-tetraoxathiaazaphosphacyclotetradecin-7-yl]-1,9-dihydro-6H-purin-6-one