Adenosine, 2-chloro-5′-O-[(1S)-1-cyano-2-ethoxy-1-[[4-(methoxycarbonyl)phenyl]methyl]-2-oxoethyl]-N,N-bis[(1,1-dimethylethoxy)carbonyl]-, 2′,3′-bis(1,1-dimethylethyl carbonate)

2-Chloro-5′-O-[(1S)-2-ethoxy-1-[[4-(methoxycarbonyl)phenyl]methyl]-2-oxo-1-(2H-tetrazol-5-yl)ethyl]adenosine

2-Chloro-5′-O-[(1R)-2-ethoxy-1-[[4-(methoxycarbonyl)phenyl]methyl]-2-oxo-1-(2H-tetrazol-5-yl)ethyl]adenosine

Adenosine, 2-chloro-N,N-bis[(1,1-dimethylethoxy)carbonyl]-5′-O-[(1S)-2-ethoxy-1-[[4-(methoxycarbonyl)phenyl]methyl]-2-oxo-1-(2H-tetrazol-5-yl)ethyl]-, 2′,3′-bis(1,1-dimethylethyl carbonate)

Adenosine, 2-chloro-N,N-bis[(1,1-dimethylethoxy)carbonyl]-5′-O-[(1R)-2-ethoxy-1-[[4-(methoxycarbonyl)phenyl]methyl]-2-oxo-1-(2H-tetrazol-5-yl)ethyl]-, 2′,3′-bis(1,1-dimethylethyl carbonate)

Adenosine, 2-chloro-5′-O-[(1S)-1-cyano-2-ethoxy-2-oxoethyl]-N,N-bis[(1,1-dimethylethoxy)carbonyl]-, 2′,3′-bis(1,1-dimethylethyl carbonate)

Adenosine, 2-chloro-5′-O-[(1R)-1-cyano-2-ethoxy-2-oxoethyl]-N,N-bis[(1,1-dimethylethoxy)carbonyl]-, 2′,3′-bis(1,1-dimethylethyl carbonate)

Adenosine, 2-chloro-5′-O-[(1R)-1-cyano-2-ethoxy-1-[[4-(methoxycarbonyl)phenyl]methyl]-2-oxoethyl]-N,N-bis[(1,1-dimethylethoxy)carbonyl]-, 2′,3′-bis(1,1-dimethylethyl carbonate)

2-Chloro-9-[3-deoxy-5-O-(1,1-dicarboxy-2-phenylethyl)-3-methyl-β-D-xylofuranosyl]-9H-purin-6-amine

2-Chloro-9-[3-deoxy-5-O-[2-ethoxy-1-(ethoxycarbonyl)-2-oxo-1-(phenylmethyl)ethyl]-3-methyl-β-D-xylofuranosyl]-9H-purin-6-amine

1,3-Bis(1,1-dimethylethyl) 2-[2-chloro-9-[3-deoxy-5-O-[2-ethoxy-1-(ethoxycarbonyl)-2-oxo-1-(phenylmethyl)ethyl]-3-methyl-β-D-xylofuranosyl]-9H-purin-6-yl]imidodicarbonate

1,3-Bis(1,1-dimethylethyl) 2-[2-chloro-9-[3-deoxy-2-O-[(1,1-dimethylethyl)dimethylsilyl]-5-O-[2-ethoxy-1-(ethoxycarbonyl)-2-oxo-1-(phenylmethyl)ethyl]-3-methyl-β-D-xylofuranosyl]-9H-purin-6-yl]imidodicarbonate

1,3-Bis(1,1-dimethylethyl) 2-[2-chloro-9-[3-deoxy-2-O-[(1,1-dimethylethyl)dimethylsilyl]-5-O-[2-ethoxy-1-(ethoxycarbonyl)-2-oxoethyl]-3-methyl-β-D-xylofuranosyl]-9H-purin-6-yl]imidodicarbonate

1,3-Bis(1,1-dimethylethyl) 2-[2-chloro-9-[3-deoxy-2-O-[(1,1-dimethylethyl)dimethylsilyl]-3-methyl-β-D-xylofuranosyl]-9H-purin-6-yl]imidodicarbonate

2-Chloro-9-[2-deoxy-5-O-[1,1-dicarboxy-2-[4-(tetrahydro-2-oxo-1(2H)-pyrimidinyl)phenyl]ethyl]-2-fluoro-β-D-arabinofuranosyl]-9H-purin-6-amine

2-Chloro-9-[2-deoxy-5-O-[2-ethoxy-1-(ethoxycarbonyl)-2-oxo-1-[[4-(tetrahydro-2-oxo-1(2H)-pyrimidinyl)phenyl]methyl]ethyl]-2-fluoro-β-D-arabinofuranosyl]-9H-purin-6-amine

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

Adenosine, 2-chloro-2′-deoxy-5′-O-[2-ethoxy-1-(ethoxycarbonyl)-1-[[4-(methoxycarbonyl)phenyl]methyl]-2-oxoethyl]-2′-fluoro-2′-methyl-, 3′-(1H-imidazole-1-carbothioate), (2′R)-

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

2-Chloro-9-[2-deoxy-5-O-[1,1-dicarboxy-2-[4-(tetrahydro-1,1-dioxido-2H-1,2-thiazin-2-yl)phenyl]ethyl]-2-fluoro-β-D-arabinofuranosyl]-9H-purin-6-amine