N-[9-[(5R,7R,8R,12aR,14R,15R,15aR,16R)-2-(2-Cyanoethoxy)-7-[1,6-dihydro-2-[(2-methyl-1-oxopropyl)amino]-6-oxo-9H-purin-9-yl]-15-fluorodecahydro-16-[(4-methoxyphenyl)methoxy]-10,10-dioxido-5,8-methanofuro[2,3-m]-1,3,6,9,10,11,2-tetraoxathiaazaphosphacyclotetradecin-14-yl]-9H-purin-6-yl]benzamide

N-[9-[(5S,7R,8R,12aR,14R,15S,15aR)-2-(2-Cyanoethoxy)-7-[1,6-dihydro-2-[(2-methyl-1-oxopropyl)amino]-6-oxo-9H-purin-9-yl]-15-fluorodecahydro-10,10-dioxido-5,8-methanofuro[2,3-m]-1,3,6,9,10,11,2-tetraoxathiaazaphosphacyclotetradecin-14-yl]-9H-purin-6-yl]benzamide

Adenosine, N-benzoyl-P(O)-(2-cyanoethyl)-P-deoxo-5′-deoxy-2′-O-[(4-methoxyphenyl)methyl]-5′-(sulfoamino)adenylyl-(3′→5′)-N-benzoyl-3′-O-[(4-methoxyphenyl)methyl]-, cyclic ester

Guanosine, N-benzoyl-P(O)-(2-cyanoethyl)-P-deoxo-2′,5′-dideoxy-2′-fluoro-5′-(sulfoamino)adenylyl-(3′→5′)-3′-O-[3-methoxy-1,1,3,3-tetrakis(1-methylethyl)-1-disiloxanyl]-N-(2-methyl-1-oxopropyl)-, cyclic ester

N-[7-[(5R,7R,8R,12aR,14R,15S,15aR,16R)-2-(2-Cyanoethoxy)-7-[1,6-dihydro-2-[(2-methyl-1-oxopropyl)amino]-6-oxo-9H-purin-9-yl]-15-[[(1,1-dimethylethyl)dimethylsilyl]oxy]decahydro-16-methoxy-10,10-dioxido-5,8-methano-11H-cyclopenta[m]-1,3,6,9,10,11,2-tetraoxathiaazaphosphacyclotetradecin-14-yl]-7H-pyrr..

Adenosine, N-benzoyl-P(O)-(2-cyanoethyl)-P-deoxo-5′-deoxy-3′-O-[(4-methoxyphenyl)methyl]-5′-(sulfoamino)adenylyl-(2′→5′)-N-benzoyl-2′-deoxy-2′-fluoro-, cyclic ester

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

N-[9-[(5R,7R,8R,12aR,14R,15aS,16R)-2-(2-Cyanoethoxy)-7-(1,6-dihydro-6-oxo-9H-purin-9-yl)decahydro-16-methoxy-2,10,10-trioxido-5,8-methanofuro[2,3-m]-1,3,6,9,10,11,2-tetraoxathiaazaphosphacyclotetradecin-14-yl]-9H-purin-6-yl]benzamide

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