The compound selected from the group consisting of: 3-{ -1-[(3-methyloxetan-3-yl)carbonyl]piperidin-3-yl}-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 1-(4-phenoxyphenyl)-3-[ -1-propanoylpiperidin-3-yl]-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-[ -1-(cyclopropylcarbonyl)piperidin-3-yl]-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-{ -1-[(2,2-difluorocyclopropyl)carbonyl]piperidin-3-yl}-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 1-({ -3-[7-amino-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-3-yl]piperidin-1-yl}carbonyl)cyclopropanol; 3-{ -1-[(3,5-dimethylisoxazol-4-yl)carbonyl]piperidin-3-yl}-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3- -1-(3-methoxypropanoyl)piperidin-3-yl]-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-{ -1-[(1-methylcyclopropyl)carbonyl]piperidin-3-yl}-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-{ -1-[(3,3-difluorocyclobutyl)carbonyl]piperidin-3-yl}-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 1-({ -3-[7-amino-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-3-yl]piperidin-1-yl}carbonyl)cyclopropanecarbonitrile; 3-[ -1-(methoxyacetyl)piperidin-3-yl]-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-[ -1-(2-methylpropanoyl)piperidin-3-yl]-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-[ -1-(cyclobutylcarbonyl)piperidin-3-yl]-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-[ -1-acetylpiperidin-3-yl]-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-{ -1-[(2-methoxyethoxy)acetyl]piperidin-3-yl}-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-[ -1-(ethoxyacetyl)piperidin-3-yl]-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; -1-{ -3-[7-amino-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-3-yl]piperidin-1-yl}-1-oxopropan-2-ol; -1-{ -3-[7-amino-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-3-yl]piperidin-1-yl}-1-oxopropan-2-ol; 3-{ -1-[(1-methyl-1H-imidazol-5-yl)carbonyl]piperidin-3-yl}-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-{ -1-[(1,4-dimethyl-1H-imidazol-5-yl)carbonyl]piperidin-3-yl}-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-{ -1-[ -2-methoxypropanoyl]piperidin-3-yl}-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-{ -1-[ -2-methoxypropanoyl]piperidin-3-yl}-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 1-[4-(4-fluorophenoxy)phenyl]-3-{ -1-[(3-methyloxetan-3-yl)carbonyl]piperidin-3-yl}-1H-pyrazolo[3,4-c]pyridin-7-amine; (6R,8aS)-6-{7-amino-1-[4-(3-fluorophenoxy)phenyl]-1H-pyrazolo[3,4-c]pyridin-3-yl}hexahydroindolizin-3 -one; 1-[4-(3-fluorophenoxy)phenyl]-3-{(3R,6S)-6-methyl-1-[(3-methyloxetan-3-yl)carbonyl]piperidin-3-yl}-1H-pyrazolo[3,4-c]pyridin-7-amine; and -1-[(2S,5R)-5-{7-amino-1-[4-(3-fluorophenoxy)phenyl]-1H-pyrazolo[3,4-c]pyridin-3-yl}-2-methylpiperidin-1-yl]-1-oxopropan-2-ol. 3-{ -1-[(3-methyloxetan-3-yl)carbonyl]piperidin-3-yl}-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 1-(4-phenoxyphenyl)-3-[ -1-propanoylpiperidin-3-yl]-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-[ -1-(cyclopropylcarbonyl)piperidin-3-yl]-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-{ -1-[(2,2-difluorocyclopropyl)carbonyl]piperidin-3-yl}-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 1-({ -3-[7-amino-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-3-yl]piperidin-1-yl}carbonyl)cyclopropanol; 3-{ -1-[(3,5-dimethylisoxazol-4-yl)carbonyl]piperidin-3-yl}-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3- -1-(3-methoxypropanoyl)piperidin-3-yl]-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-{ -1-[(1-methylcyclopropyl)carbonyl]piperidin-3-yl}-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-{ -1-[(3,3-difluorocyclobutyl)carbonyl]piperidin-3-yl}-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 1-({ -3-[7-amino-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-3-yl]piperidin-1-yl}carbonyl)cyclopropanecarbonitrile; 3-[ -1-(methoxyacetyl)piperidin-3-yl]-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-[ -1-(2-methylpropanoyl)piperidin-3-yl]-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-[ -1-(cyclobutylcarbonyl)piperidin-3-yl]-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-[ -1-acetylpiperidin-3-yl]-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-{ -1-[(2-methoxyethoxy)acetyl]piperidin-3-yl}-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-[ -1-(ethoxyacetyl)piperidin-3-yl]-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; -1-{ -3-[7-amino-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-3-yl]piperidin-1-yl}-1-oxopropan-2-ol; -1-{ -3-[7-amino-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-3-yl]piperidin-1-yl}-1-oxopropan-2-ol; 3-{ -1-[(1-methyl-1H-imidazol-5-yl)carbonyl]piperidin-3-yl}-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-{ -1-[(1,4-dimethyl-1H-imidazol-5-yl)carbonyl]piperidin-3-yl}-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-{ -1-[ -2-methoxypropanoyl]piperidin-3-yl}-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 3-{ -1-[ -2-methoxypropanoyl]piperidin-3-yl}-1-(4-phenoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-7-amine; 1-[4-(4-fluorophenoxy)phenyl]-3-{ -1-[(3-methyloxetan-3-yl)carbonyl]piperidin-3-yl}-1H-pyrazolo[3,4-c]pyridin-7-amine; (6R,8aS)-6-{7-amino-1-[4-(3-fluorophenoxy)phenyl]-1H-pyrazolo[3,4-c]pyridin-3-yl}hexahydroindolizin-3 -one; 1-[4-(3-fluorophenoxy)phenyl]-3-{(3R,6S)-6-methyl-1-[(3-methyloxetan-3-yl)carbonyl]piperidin-3-yl}-1H-pyrazolo[3,4-c]pyridin-7-amine; and -1-[(2S,5R)-5-{7-amino-1-[4-(3-fluorophenoxy)phenyl]-1H-pyrazolo[3,4-c]pyridin-3-yl}-2-methylpiperidin-1-yl]-1-oxopropan-2-ol.