8-Azaguanosine, N-benzoyl-P-(2-cyanoethyl)-2′,5′-dideoxy-2′-fluoro-5′-(sulfoamino)-β-D-arabino-adenylyl-(3′→5′)-3′-deoxy-N-(2-methyl-1-oxopropyl)-, cyclic ester

3'-Deoxy-2'-O-dephosphinico-N-(2-methyl-1-oxopropyl)-2'-O-(sulfonylimino)-8-azaguanylyl-(2'→5')-N-benzoyl-2',5'-dideoxy-2'-fluoroadenosine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-3'-deoxy-2'-O-dephosphinico-N-(2-methyl-1-oxopropyl)-2'-O-(sulfonylimino)-8-azaguanylyl-(2'→5')-N-benzoyl-3'-O-[bis(4-methoxyphenyl)phenylmethyl]-2',5'-dideoxy-2'-fluoroadenosine

N-[9-[3-O-[Bis(4-methoxyphenyl)phenylmethyl]-2,5-dideoxy-2-fluoro-5-[[(4-nitrophenoxy)sulfonyl]amino]-β-D-arabinofuranosyl]-9H-purin-6-yl]benzamide

N-[9-[5-Amino-3-O-[bis(4-methoxyphenyl)phenylmethyl]-2,5-dideoxy-2-fluoro-β-D-arabinofuranosyl]-9H-purin-6-yl]benzamide

N-[9-[5-Azido-3-O-[bis(4-methoxyphenyl)phenylmethyl]-2,5-dideoxy-2-fluoro-β-D-arabinofuranosyl]-9H-purin-6-yl]benzamide

N-[9-(5-Azido-2,5-dideoxy-2-fluoro-β-D-arabinofuranosyl)-9H-purin-6-yl]benzamide

N-[3-(2,5-Di-O-acetyl-3-deoxy-β-D-erythro-pentofuranosyl)-6,7-dihydro-7-oxo-3H-1,2,3-triazolo[4,5-d]pyrimidin-5-yl]-2-methylpropanamide

Adenosine, [P(S)]-2′,5′-dideoxy-2′-fluoro-5′-(sulfoamino)-P-thioadenylyl-(3′→5′)-3′-deoxy-3′-fluoro-, cyclic ester

Adenosine, [P(R)]-2′,5′-dideoxy-2′-fluoro-5′-(sulfoamino)-P-thioadenylyl-(3′→5′)-3′-deoxy-3′-fluoro-, cyclic ester

Adenosine, N-benzoyl-P(O)-(2-cyanoethyl)-2′,5′-dideoxy-2′-fluoro-5′-(sulfoamino)-P-thioadenylyl-(3′→5′)-N-benzoyl-3′-deoxy-3′-fluoro-, cyclic ester

2-Amino-9-[(2S,5R,7R,8R,12aR,14R,15R,15aR,16S)-14-(6-amino-9H-purin-9-yl)-15-fluorodecahydro-2-mercapto-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

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

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-fluorodecahydro-16-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

2'-O-Dephosphinico-3'-O-methyl-N-(2-methyl-1-oxopropyl)-2'-O-(sulfonylimino)-β-D-xylo-guanylyl-(2'→5')-N-benzoyl-2',5'-dideoxy-2'-fluoroadenosine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-O-dephosphinico-3'-O-methyl-N-(2-methyl-1-oxopropyl)-2'-O-(sulfonylimino)-β-D-xylo-guanylyl-(2'→5')-N-benzoyl-3'-O-[bis(4-methoxyphenyl)phenylmethyl]-2',5'-dideoxy-2'-fluoroadenosine

N-[9-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-methyl-β-D-xylofuranosyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-2-methylpropanamide

N-[6,9-Dihydro-9-(3-O-methyl-β-D-xylofuranosyl)-6-oxo-1H-purin-2-yl]-2-methylpropanamide

N-[6,9-Dihydro-9-[3-O-methyl-2,5-bis-O-(trimethylsilyl)-β-D-xylofuranosyl]-6-oxo-1H-purin-2-yl]-2-methylpropanamide