4-[[(2-Chlorophenyl)methyl]amino]-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-pyrazolo[3,4-d]pyrimidine-6-carbonitrile

1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 1-[5-O-[[bis(1,1-dimethylethoxy)phosphinyl]methyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-N-[(2-chlorophenyl)methyl]-6-[[(tetrahydro-2H-pyran-2-yl)oxy]methyl]-

N-[(2-Chlorophenyl)methyl]-1-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-6-[[(tetrahydro-2H-pyran-2-yl)oxy]methyl]-1H-pyrazolo[3,4-d]pyrimidin-4-amine

1-[5-O-Benzoyl-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-N-[(2-chlorophenyl)methyl]-6-[[(tetrahydro-2H-pyran-2-yl)oxy]methyl]-1H-pyrazolo[3,4-d]pyrimidin-4-amine

1-[5-O-Benzoyl-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-4-[[(2-chlorophenyl)methyl]amino]-1H-pyrazolo[3,4-d]pyrimidine-6-carboxaldehyde

1-[5-O-Benzoyl-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-N-[(2-chlorophenyl)methyl]-6-[(1E)-2-phenylethenyl]-1H-pyrazolo[3,4-d]pyrimidin-4-amine

1-[5-O-Benzoyl-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-4-[[(2-chlorophenyl)methyl]amino]-1H-pyrazolo[3,4-d]pyrimidine-6-methanol

5-Chloro-N-(cyclopropylmethyl)-3-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-3H-1,2,3-triazolo[4,5-d]pyrimidin-7-amine

2-Chloro-N-(cyclopropylmethyl)-7-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

7-[5-O-Benzoyl-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-2-chloro-N-(cyclopropylmethyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine

1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 1-[5-[[[bis(1,1-dimethylethoxy)phosphinyl]methyl]sulfonyl]-5-deoxy-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-6-chloro-N-[(2-chlorophenyl)methyl]-

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-[(2-chlorophenyl)methyl]-

1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 6-chloro-N-[(2-chlorophenyl)methyl]-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-[(2-chlorophenyl)methyl]-

6-Chloro-1-[5-O-[(diethoxyphosphinyl)methyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-N-methyl-N-(phenylmethyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine

6-Chloro-N-methyl-1-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-N-(phenylmethyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine

6-Chloro-1-[5-O-[2-(diethoxyphosphinyl)ethyl]-α-D-ribofuranosyl]-N-methyl-N-(phenylmethyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine

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

6-Chloro-1-[2,3-di-O-acetyl-5-O-[2-(diethoxyphosphinyl)ethyl]-β-D-ribofuranosyl]-N-methyl-N-(phenylmethyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine

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