Carbamic acid, N-[1-[5-[[[bis(1,1-dimethylethoxy)phosphinyl]methyl]sulfonyl]-5-deoxy-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-[1-[5-S-[[bis(1,1-dimethylethoxy)phosphinyl]methyl]-2,3-O-(1-methylethylidene)-5-thio-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, 1-[5-S-[[bis(1,1-dimethylethoxy)phosphinyl]methyl]-2,3-O-(1-methylethylidene)-5-thio-β-D-ribofuranosyl]-6-chloro-N-cyclopentyl-

1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 6-chloro-N-cyclopentyl-1-[2,3-O-(1-methylethylidene)-5-thio-β-D-ribofuranosyl]-

1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 1-[5-S-acetyl-2,3-O-(1-methylethylidene)-5-thio-β-D-ribofuranosyl]-6-chloro-N-cyclopentyl-

Carbamic acid, N-[6-chloro-1-[5-O-[1-(diethoxyphosphinyl)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-(1H-imidazol-1-ylthioxomethoxy)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-[(1R)-1-(diethoxyphosphinyl)-2-hydroxyethyl]-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-[(1S)-1-(diethoxyphosphinyl)-2-hydroxyethyl]-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-β-D-ribofuranosyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)-N-cyclopentyl-, 1,1-dimethylethyl ester

Carbamic acid, N-[6-chloro-1-(2,3,5-tri-O-acetyl-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-ethoxy-2-oxoethyl]-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-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-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-deoxy-5-[[(1R)-2-hydroxy-1-methyl-1-phosphonoethyl]sulfonyl]-β-D-ribofuranosyl]-

1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 6-chloro-N-cyclopentyl-1-[5-deoxy-5-[[(1R)-1-phosphonoethyl]sulfonyl]-β-D-ribofuranosyl]-

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

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

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

1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 6-chloro-1-[5-O-(cyanophosphonomethyl)-β-D-ribofuranosyl]-N-cyclopentyl-