1-[5-Deoxy-2,3-bis-O-(2,2-dimethyl-1-oxopropyl)-5-fluoro-D-arabinofuranosyl]-2-nitro-1H-imidazole

Phosphoramidous acid, N,N-bis(1-methylethyl)-, (1R,5R,7R,8S)-5-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-7-[1,6-dihydro-2-[(2-methyl-1-oxopropyl)amino]-6-oxo-9H-purin-9-yl]-3-methyl-2,6-dioxa-3-azabicyclo[3.2.1]oct-8-yl 2-cyanoethyl ester

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

2-Amino-9-[(1R,5R,7R,8S)-5-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-8-hydroxy-3-methyl-2,6-dioxa-3-azabicyclo[3.2.1]oct-7-yl]-1,9-dihydro-6H-purin-6-one

(1R,5R,7R,8S)-7-(6-Amino-9H-purin-9-yl)-5-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-3-methyl-2,6-dioxa-3-azabicyclo[3.2.1]octan-8-ol

2-Amino-9-[(1R,5R,7R,8S)-5-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-8-hydroxy-3-(2-phenoxyacetyl)-2,6-dioxa-3-azabicyclo[3.2.1]oct-7-yl]-1,9-dihydro-6H-purin-6-one

1-[(1R,5R,7R,8S)-7-(6-Amino-9H-purin-9-yl)-5-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-8-hydroxy-2,6-dioxa-3-azabicyclo[3.2.1]oct-3-yl]-2-phenoxyethanone

5-Methyl-1-[(1R,5R,7R,8S)-3-(2-phenoxyacetyl)-8-(phenylmethoxy)-5-[(phenylmethoxy)methyl]-2,6-dioxa-3-azabicyclo[3.2.1]oct-7-yl]-2,4(1H,3H)-pyrimidinedione

N-[9-[(1R,5R,7R,8S)-3-Acetyl-5-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-8-hydroxy-2,6-dioxa-3-azabicyclo[3.2.1]oct-7-yl]-6,9-dihydro-6-oxo-1H-purin-2-yl]acetamide

N-[9-[(1R,5R,7R,8S)-3-Acetyl-8-hydroxy-5-(hydroxymethyl)-2,6-dioxa-3-azabicyclo[3.2.1]oct-7-yl]-6,9-dihydro-6-oxo-1H-purin-2-yl]acetamide

N-[9-[(1R,5R,7R,8S)-3-Acetyl-8-(phenylmethoxy)-5-[(phenylmethoxy)methyl]-2,6-dioxa-3-azabicyclo[3.2.1]oct-7-yl]-6-[2-(trimethylsilyl)ethoxy]-9H-purin-2-yl]acetamide

9-[(1R,5R,7R,8S)-8-(Phenylmethoxy)-5-[(phenylmethoxy)methyl]-2,6-dioxa-3-azabicyclo[3.2.1]oct-7-yl]-6-[2-(trimethylsilyl)ethoxy]-9H-purin-2-amine

2-Amino-1,9-dihydro-9-[(1R,5R,7R,8S)-8-hydroxy-3-(2-phenoxyacetyl)-5-[(phenylmethoxy)methyl]-2,6-dioxa-3-azabicyclo[3.2.1]oct-7-yl]-6H-purin-6-one

2-Phenoxy-N-[9-[(1R,5R,7R,8S)-3-(2-phenoxyacetyl)-8-(phenylmethoxy)-5-[(phenylmethoxy)methyl]-2,6-dioxa-3-azabicyclo[3.2.1]oct-7-yl]-6-(phenylmethoxy)-9H-purin-2-yl]acetamide

6-(Phenylmethoxy)-9-[(1R,5R,7R,8S)-8-(phenylmethoxy)-5-[(phenylmethoxy)methyl]-2,6-dioxa-3-azabicyclo[3.2.1]oct-7-yl]-9H-purin-2-amine

6-Chloro-9-[(1R,5R,7R,8S)-8-(phenylmethoxy)-5-[(phenylmethoxy)methyl]-2,6-dioxa-3-azabicyclo[3.2.1]oct-7-yl]-9H-purin-2-amine

Phenylmethyl (1R,5R,7R,8S)-7-(2-amino-6-chloro-9H-purin-9-yl)-8-(phenylmethoxy)-5-[(phenylmethoxy)methyl]-2,6-dioxa-3-azabicyclo[3.2.1]octane-3-carboxylate