1 BK3 3-(naphthalen-1-ylmethyl)-1-(piperidin-4-ylmethyl)-1h-pyrazolo[3,4-D]pyrimidin-4-amine 1.000 2 BK1 1-(1-methylethyl)-3-(naphthalen-1-ylmethyl)-1h-pyrazolo[3,4-D]pyrimidin-4-amine 0.733 3 0JN 1-tert-butyl-3-(naphthalen-1-ylmethyl)-1h-pyrazolo[3,4-D]pyrimidin-4-amine 0.710