2′-O-Dephosphinico-3′-O-methyl-N-(2-methyl-1-oxopropyl)-2′-O-(sulfonylimino)guanylyl-(2′→5′)-N-benzoyl-5′-deoxy-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-1′a-carbaadenosine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-O-dephosphinico-3′-O-methyl-N-(2-methyl-1-oxopropyl)-2′-O-(sulfonylimino)guanylyl-(2′→5′)-N-benzoyl-3′-O-[bis(4-methoxyphenyl)phenylmethyl]-5′-deoxy-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-1′a-carbaadenosine

Guanosine, 2′,5′-dideoxy-5′-(sulfoamino)adenylyl-(3′→5′)-, cyclic 2′,5′′′-ester

2-Amino-9-[(5R,7R,8R,12aR,14R,15aS,16R)-14-(6-amino-9H-purin-9-yl)decahydro-2-hydroxy-16-[(4-methoxyphenyl)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-2-[(2-methyl-1-oxopropyl)amino]-6-oxo-9H-purin-9-yl]decahydro-16-[(4-methoxyphenyl)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

2'-O-Dephosphinico-3'-O-[(4-methoxyphenyl)methyl]-N-(2-methyl-1-oxopropyl)-2'-O-(sulfonylimino)guanylyl-(2'→5')-N-benzoyl-2',5'-dideoxyadenosine

2-Amino-9-[(5R,7R,8R,12aR,14R,15R,15aR,16R)-14-(6-amino-9H-purin-9-yl)-15-fluorodecahydro-2-hydroxy-16-[(4-methoxyphenyl)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,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]-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

N-Benzoyl-2'-O-dephosphinico-3'-O-[(4-methoxyphenyl)methyl]-2'-O-(sulfonylimino)adenylyl-(2'→5')-N-benzoyl-2',5'-dideoxy-2'-fluoroadenosine

Guanosine, [P(R)]-5′-deoxy-2′-O,4′-C-methylene-5′-(sulfoamino)-P-thioadenylyl-(3′→5′)-3′-O-methyl-, cyclic ester

Guanosine, N-benzoyl-P(O)-(2-cyanoethyl)-5′-deoxy-2′-O,4′-C-methylene-5′-(sulfoamino)-P-thioadenylyl-(3′→5′)-3′-O-methyl-N-(2-methyl-1-oxopropyl)-, cyclic ester

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

N-[9-[(5R,7R,8R,12aS,14R,15aS,16R)-7-[1,6-Dihydro-2-[(2-methyl-1-oxopropyl)amino]-6-oxo-9H-purin-9-yl]decahydro-10-hydroxy-16-methoxy-2,2,10-trioxido-5,8-methanofuro[3,2-l][1,3,6,9,10,11,2]tetraoxathiaazaphosphacyclotetradecin-14-yl]-9H-purin-6-yl]benzamide

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

P-(2-Cyanoethyl)-3'-O-methyl-N-(2-methyl-1-oxopropyl)guanylyl-(2'→5')-3'-amino-N-benzoyl-2',3'-dideoxyadenosine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P-(2-cyanoethyl)-3′-O-methyl-N-(2-methyl-1-oxopropyl)guanylyl-(2′→5′)-N-benzoyl-2′,3′-dideoxy-3′-[(triphenylmethyl)amino]adenosine

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

N-[9-[(5R,7R,8R,12aR,14R,15R,15aR,16S)-2-(2-Cyanoethoxy)-7-[1,6-dihydro-2-[(2-methyl-1-oxopropyl)amino]-6-oxo-9H-purin-9-yl]-15-fluorooctahydro-16-methoxy-2,10,10-trioxido-5,8-methano-7H,12H-furo[3,2-l][1,6,9,11,2,3,10]tetraoxathiaazaphosphacyclotetradecin-14-yl]-9H-purin-6-yl]benzamide

2'-(Dephosphinicooxy)-2'-(iminosulfonyl)-3'-O-methyl-N-(2-methyl-1-oxopropyl)guanylyl-(2'→5')-N-benzoyl-2',5'-dideoxy-2'-fluoroadenosine

2'-(Dephosphinicooxy)-5'-O-[(1,1-dimethylethyl)dimethylsilyl]-2'-(iminosulfonyl)-3'-O-methyl-N-(2-methyl-1-oxopropyl)guanylyl-(2'→5')-N-benzoyl-2',5'-dideoxy-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-2'-fluoroadenosine