N-[2-[[3-[2-[2-[2-[[3-[4-Amino-7-[3-O-(azidomethyl)-2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]amino]-2-oxoethoxy]ethoxy]-2-azidoethoxy]benzoyl]amino]ethyl]-3-(2-benzothiazolyl)-6,8,8-trimethyl-2-ox..

9-[5-O-[(1R)-1-Carboxy-2-phenyl-1-(2H-tetrazol-5-yl)ethyl]-β-D-xylofuranosyl]-2-chloro-9H-purin-6-amine

9-[5-O-[(1S)-1-Carboxy-1-[2-(1,1-dimethylethyl)-2H-tetrazol-5-yl]-2-phenylethyl]-β-D-xylofuranosyl]-2-chloro-9H-purin-6-amine

2-Chloro-9-[5-O-[(1S)-2-ethoxy-2-oxo-1-(phenylmethyl)-1-[2-[[2-(trimethylsilyl)ethoxy]methyl]-2H-tetrazol-5-yl]ethyl]-β-D-xylofuranosyl]-9H-purin-6-amine

2-Chloro-9-[5-O-[(1R)-2-ethoxy-2-oxo-1-(phenylmethyl)-1-[2-[[2-(trimethylsilyl)ethoxy]methyl]-2H-tetrazol-5-yl]ethyl]-β-D-xylofuranosyl]-9H-purin-6-amine

Adenosine, 5′-O-[(1S)-1-carboxy-2-phenyl-1-(2H-tetrazol-5-yl)ethyl]-2-chloro-N,N-bis[(1,1-dimethylethoxy)carbonyl]-2′-C-methyl-, 2′,3′-bis(1,1-dimethylethyl carbonate)

Adenosine, 5′-O-[(1R)-1-carboxy-2-phenyl-1-(2H-tetrazol-5-yl)ethyl]-2-chloro-N,N-bis[(1,1-dimethylethoxy)carbonyl]-2′-C-methyl-, 2′,3′-bis(1,1-dimethylethyl carbonate)

1,3-Bis(1,1-dimethylethyl) 2-[2-chloro-9-[2-deoxy-2-fluoro-5-O-[(4-methoxyphenyl)diphenylmethyl]-3-O-(4-nitrobenzoyl)-β-D-lyxofuranosyl]-9H-purin-6-yl]imidodicarbonate

1,3-Bis(1,1-dimethylethyl) 2-[2-chloro-9-[2-deoxy-3-O-[(1,1-dimethylethoxy)carbonyl]-5-O-[2-ethoxy-1-(ethoxycarbonyl)-1-[(4-iodophenyl)methyl]-2-oxoethyl]-2-fluoro-β-D-arabinofuranosyl]-9H-purin-6-yl]imidodicarbonate

1,3-Bis(1,1-dimethylethyl) 2-[2-chloro-9-[2-deoxy-3-O-[(1,1-dimethylethoxy)carbonyl]-5-O-[2-ethoxy-1-(ethoxycarbonyl)-1-[(4-nitrophenyl)methyl]-2-oxoethyl]-2-fluoro-β-D-arabinofuranosyl]-9H-purin-6-yl]imidodicarbonate

2-Chloro-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(4-methoxyphenyl)diphenylmethyl]adenosine

1,3-Bis(1,1-dimethylethyl) 2-[2-chloro-9-[5-O-[1-(cyanomethyl)-2-ethoxy-1-(ethoxycarbonyl)-2-oxoethyl]-2-deoxy-3-O-[(1,1-dimethylethoxy)carbonyl]-2-fluoro-β-D-arabinofuranosyl]-9H-purin-6-yl]imidodicarbonate

1,3-Bis(1,1-dimethylethyl) 2-[2-chloro-9-[2-deoxy-3-O-[(1,1-dimethylethoxy)carbonyl]-5-O-[2-ethoxy-1-(ethoxycarbonyl)-1-[(4-formylphenyl)methyl]-2-oxoethyl]-2-fluoro-β-D-arabinofuranosyl]-9H-purin-6-yl]imidodicarbonate

1,3-Bis(1,1-dimethylethyl) 2-[2-chloro-9-[2-deoxy-5-O-[(1S)-1-(diethoxyphosphinyl)-2-ethoxy-2-oxoethyl]-3-O-[(1,1-dimethylethoxy)carbonyl]-2-fluoro-β-D-arabinofuranosyl]-9H-purin-6-yl]imidodicarbonate

2-Chloro-9-[2-deoxy-2-fluoro-5-O-[(1S)-2-methoxy-2-oxo-1-phosphonoethyl]-β-D-arabinofuranosyl]-9H-purin-6-amine

2-Chloro-9-[2-deoxy-2-fluoro-5-O-[(1R)-2-methoxy-2-oxo-1-phosphonoethyl]-β-D-arabinofuranosyl]-9H-purin-6-amine

5′-O-[(1S)-1-Carboxy-1-[1-(1-methyl-1-phenylethyl)-1H-tetrazol-5-yl]-2-phenylethyl]-2-methoxyadenosine

5′-O-[(1R)-1-Carboxy-1-[1-(1-methyl-1-phenylethyl)-1H-tetrazol-5-yl]-2-phenylethyl]-2-methoxyadenosine