[5-[4-(benzylamino)pyrazolo[3,4-d]pyrimidin-1-yl]-3,4-dihydroxyoxolan-2-yl]methyl acetate

2-[4-(furan-2-ylmethylamino)pyrazolo[3,4-d]pyrimidin-1-yl]-5-(hydroxymethyl)oxolane-3,4-diol

[5-[4-(furan-2-ylmethylamino)pyrazolo[3,4-d]pyrimidin-1-yl]-3,4-dihydroxyoxolan-2-yl]methyl acetate

2-(hydroxymethyl)-5-pyrazolo[3,4-d]pyrimidin-1-yloxolane-3,4-diol

[3,4-diacetyloxy-5-[4-(3-methyl-5-nitroimidazol-4-yl)sulfanylpyrazolo[3,4-d]pyrimidin-1-yl]oxolan-2-yl]methyl acetate