1 ZZM 1-(1-methylethyl)-3-(pyridin-3-ylethynyl)-1h-pyrazolo[3,4-D]pyrimidin-4-amine 1.000 2 DLN 3-{[4-amino-1-(1-methylethyl)-1h-pyrazolo[3,4-D]pyrimidin-3-yl]ethynyl}phenol 0.870