Carbamic acid, N-[6-chloro-1-[5-O-[2-ethoxy-2-oxo-1-phosphono-1-[[2-[[2-(trimethylsilyl)ethoxy]methyl]-2H-tetrazol-5-yl]methyl]ethyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-N-cyclopentyl-, 1,1-dimethylethyl ester

1H-1,2,3-Triazolo[4,5-d]pyrimidin-4-amine, 6-chloro-N-cyclopentyl-1-[5-O-[1-(diethoxyphosphinyl)-2-hydroxyethyl]-β-D-ribofuranosyl]-

1H-1,2,3-Triazolo[4,5-d]pyrimidin-4-amine, 6-chloro-N-cyclopentyl-1-[2,3-di-O-acetyl-5-O-[2-(acetyloxy)-1-(diethoxyphosphinyl)ethyl]-β-D-ribofuranosyl]-

1H-1,2,3-Triazolo[4,5-d]pyrimidine, 4,6-dichloro-1-[2,3-di-O-acetyl-5-O-[2-(acetyloxy)-1-(diethoxyphosphinyl)ethyl]-β-D-ribofuranosyl]-

Carbamic acid, N-[6-chloro-1-[5-O-[(1,1-dimethylethyl)dimethylsilyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1H-pyrazolo[3,4-b]pyridin-4-yl]-N-cyclopentyl-, 1,1-dimethylethyl ester

1H-Pyrazolo[3,4-b]pyridin-4-amine, 6-chloro-N-cyclopentyl-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-

Carbamic acid, N-[6-chloro-1-[5-O-[1-(diethoxyphosphinyl)-3-hydroxy-1-methylpropyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-N-cyclopentyl-, 1,1-dimethylethyl ester

Carbamic acid, N-[6-chloro-1-[5-O-[1-(diethoxyphosphinyl)-3-ethoxy-1-methyl-3-oxopropyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-N-cyclopentyl-, 1,1-dimethylethyl ester

Carbamic acid, N-[1-[5-O-[1-carboxy-1-(diethoxyphosphinyl)ethyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-6-chloro-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-N-cyclopentyl-, 1,1-dimethylethyl ester

Carbamic acid, N-[6-chloro-1-[5-O-[1-(diethoxyphosphinyl)-1-methyl-2-(methylthio)ethyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-N-cyclopentyl-, 1,1-dimethylethyl ester

Carbamic acid, N-[6-chloro-1-[5-O-[1-(diethoxyphosphinyl)-2-mercapto-1-methylethyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-N-cyclopentyl-, 1,1-dimethylethyl ester

Carbamic acid, N-[1-[5-O-[2-(acetylthio)-1-(diethoxyphosphinyl)-1-methylethyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-6-chloro-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-N-cyclopentyl-, 1,1-dimethylethyl ester

1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 6-chloro-N-cyclopentyl-1-[5-O-[2-ethoxy-1-(hydroxymethyl)-2-oxo-1-phosphonoethyl]-β-ribofuranosyl]-

1-[5-O-(1-Carboxy-2-hydroxy-1-phosphonoethyl)-β-ribofuranosyl]-6-chloro-N-cyclopentyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine

1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 1-[5-O-[(1R)-2-(carboxymethoxy)-1-(hydroxymethyl)-1-phosphonoethyl]-β-D-ribofuranosyl]-6-chloro-N-cyclopentyl-, rel-

1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 1-[5-O-[(1R)-2-(carboxymethoxy)-1-(hydroxymethyl)-1-phosphonoethyl]-β-L-ribofuranosyl]-6-chloro-N-cyclopentyl-, rel-

1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 6-chloro-N-cyclopentyl-1-[5-O-[(1R)-2-(2-ethoxy-2-oxoethoxy)-1-(hydroxymethyl)-1-phosphonoethyl]-β-D-ribofuranosyl]-, rel-

1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 6-chloro-N-cyclopentyl-1-[5-O-[(1R)-2-(2-ethoxy-2-oxoethoxy)-1-(hydroxymethyl)-1-phosphonoethyl]-β-L-ribofuranosyl]-, rel-

1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 6-chloro-1-[5-O-[2-hydroxy-1-(hydroxymethyl)-1-phosphonoethyl]-β-D-ribofuranosyl]-N-[(1R,2R)-2-methylcyclopentyl]-, rel-

1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 6-chloro-N-cyclopentyl-1-[5-O-[(1R)-2-hydroxy-1-phosphono-1-(2H-tetrazol-5-yl)ethyl]-β-L-ribofuranosyl]-, rel-