6-Oxa-3-azabicyclo[3.2.1]octane-3-carboxylic acid, 7-(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)-8-hydroxy-5-(hydroxymethyl)-, 1,1-dimethylethyl ester, (1R,5R,7R,8S)-

6-Oxa-3-azabicyclo[3.2.1]octane-3-carboxylic acid, 7-[2-amino-6-(phenylmethoxy)-9H-purin-9-yl]-5-[(benzoyloxy)methyl]-8-[(4-chlorophenyl)methoxy]-, 1,1-dimethylethyl ester, (1R,5R,7R,8S)-

6-Oxa-3-azabicyclo[3.2.1]octane-3-carboxylic acid, 7-[2-amino-6-(phenylmethoxy)-9H-purin-9-yl]-8-[(4-chlorophenyl)methoxy]-5-[[(methylsulfonyl)oxy]methyl]-, 1,1-dimethylethyl ester, (1R,5R,7R,8S)-

Guanosine, 3′-O-[(4-chlorophenyl)methyl]-2′-deoxy-2′-[[[(1,1-dimethylethoxy)carbonyl]amino]methyl]-4′-C-[[(methylsulfonyl)oxy]methyl]-6-O-(phenylmethyl)-, 5′-methanesulfonate

6-Chloro-9-[3-O-[(4-chlorophenyl)methyl]-2-deoxy-2-[[[(1,1-dimethylethoxy)carbonyl]amino]methyl]-5-O-(methylsulfonyl)-4-C-[[(methylsulfonyl)oxy]methyl]-β-D-erythro-pentofuranosyl]-9H-purin-2-amine

6-Chloro-9-[3-O-[(4-chlorophenyl)methyl]-2-deoxy-2-[[[(1,1-dimethylethoxy)carbonyl][(2,2,2-trifluoroethoxy)carbonyl]amino]methyl]-5-O-(methylsulfonyl)-4-C-[[(methylsulfonyl)oxy]methyl]-β-D-erythro-pentofuranosyl]-9H-purin-2-amine

6-Chloro-9-[3-O-[(4-chlorophenyl)methyl]-2-deoxy-2-(hydroxymethyl)-5-O-(methylsulfonyl)-4-C-[[(methylsulfonyl)oxy]methyl]-β-D-erythro-pentofuranosyl]-9H-purin-2-amine

9-[2-[(Acetyloxy)methyl]-3-O-[(4-chlorophenyl)methyl]-2-deoxy-5-O-(methylsulfonyl)-4-C-[[(methylsulfonyl)oxy]methyl]-β-D-erythro-pentofuranosyl]-6-chloro-9H-purin-2-amine

(1R,5R,7R,8S)-7-[6-(Benzoylamino)-9H-purin-9-yl]-5-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-3-(2,2,2-trifluoroacetyl)-6-oxa-3-azabicyclo[3.2.1]oct-8-yl 2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite

N-[9-[(1R,5R,7R,8S)-5-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-8-hydroxy-3-(2,2,2-trifluoroacetyl)-6-oxa-3-azabicyclo[3.2.1]oct-7-yl]-9H-purin-6-yl]benzamide

N-[9-[(1R,5R,7R,8S)-8-Hydroxy-5-(hydroxymethyl)-6-oxa-3-azabicyclo[3.2.1]oct-7-yl]-9H-purin-6-yl]benzamide

N-[9-[(1R,5R,7R,8S)-8-Hydroxy-5-(hydroxymethyl)-3-(2,2,2-trifluoroacetyl)-6-oxa-3-azabicyclo[3.2.1]oct-7-yl]-9H-purin-6-yl]benzamide

6-Oxa-3-azabicyclo[3.2.1]octane-3-carboxylic acid, 7-[6-(benzoylamino)-9H-purin-9-yl]-8-[(trimethylsilyl)oxy]-5-[[(trimethylsilyl)oxy]methyl]-, 1,1-dimethylethyl ester, (1R,5R,7R,8S)-

6-Oxa-3-azabicyclo[3.2.1]octane-3-carboxylic acid, 7-(6-amino-9H-purin-9-yl)-8-hydroxy-5-(hydroxymethyl)-, 1,1-dimethylethyl ester, (1R,5R,7R,8S)-

1,1-Dimethylethyl (1R,5R,7R,8S)-7-[6-(benzoylamino)-9H-purin-9-yl]-8-hydroxy-5-(hydroxymethyl)-6-oxa-3-azabicyclo[3.2.1]octane-3-carboxylate

1,1-Dimethylethyl (1R,5R,7R,8S)-7-(6-amino-9H-purin-9-yl)-8-[(4-chlorophenyl)methoxy]-5-(hydroxymethyl)-6-oxa-3-azabicyclo[3.2.1]octane-3-carboxylate

6-Oxa-3-azabicyclo[3.2.1]octane-3-carboxylic acid, 7-[6-(benzoylamino)-9H-purin-9-yl]-5-[(benzoyloxy)methyl]-8-[(4-chlorophenyl)methoxy]-, 1,1-dimethylethyl ester, (1R,5R,7R,8S)-

1,1-Dimethylethyl (1R,5R,7R,8S)-7-[6-(benzoylamino)-9H-purin-9-yl]-8-[(4-chlorophenyl)methoxy]-5-[[(methylsulfonyl)oxy]methyl]-6-oxa-3-azabicyclo[3.2.1]octane-3-carboxylate

Adenosine, N,N-dibenzoyl-3′-O-[(4-chlorophenyl)methyl]-2′-deoxy-2′-[[[(1,1-dimethylethoxy)carbonyl][(2,2,2-trifluoroethoxy)carbonyl]amino]methyl]-4′-C-[[(methylsulfonyl)oxy]methyl]-, 5′-methanesulfonate

Adenosine, N-benzoyl-3′-O-[(4-chlorophenyl)methyl]-2′-deoxy-2′-[[[(1,1-dimethylethoxy)carbonyl]amino]methyl]-4′-C-[[(methylsulfonyl)oxy]methyl]-, 5′-methanesulfonate