Carbamic acid, N-[6-chloro-1-[5-O-[1-(diethoxyphosphinyl)-2-methoxyethyl]-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-hydroxy-1-(methoxymethyl)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-[(1S)-1-(diethoxyphosphinyl)-2-hydroxy-1-(methoxymethyl)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)-1-methyl-2-[methyl(methylsulfonyl)amino]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)-1-methyl-2-(methylamino)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-(dimethylamino)-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-[6-chloro-1-[5-O-[1-(diethoxyphosphinyl)-1-methyl-2-oxoethyl]-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, 1-[6-O-[[bis(1,1-dimethylethoxy)phosphinyl]methyl]-5-deoxy-2,3-O-(1-methylethylidene)-β-D-ribo-hexofuranosyl]-6-chloro-N-[(2-chlorophenyl)methyl]-

1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 6-chloro-N-[(2-chlorophenyl)methyl]-1-[5-deoxy-2,3-O-(1-methylethylidene)-β-D-ribo-hexofuranosyl]-

1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 6-chloro-N-[(2-chlorophenyl)methyl]-1-(5-deoxy-β-D-ribo-hexofuranosyl)-

1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 6-chloro-N-[(2-chlorophenyl)methyl]-1-(2,3,6-tri-O-acetyl-5-deoxy-β-D-ribo-hexofuranosyl)-

1H-Pyrazolo[3,4-d]pyrimidine, 4,6-dichloro-1-(2,3,6-tri-O-acetyl-5-deoxy-β-D-ribo-hexofuranosyl)-

1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 6-chloro-N-[(2-chlorophenyl)methyl]-1-[5-O-[2-(diethoxyphosphinyl)ethyl]-β-D-ribofuranosyl]-

1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 6-chloro-N-[(2-chlorophenyl)methyl]-1-[2,3-di-O-acetyl-5-O-[2-(diethoxyphosphinyl)ethyl]-β-L-ribofuranosyl]-