3-(6-fluoropyridin-2-yl)-5-(1-methyl-1H-pyrazol-4-yl)-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[3,4-c]pyridine 、
1-氨基-2-甲基-2-丙醇 以to give 297 as a white solid (87% over two steps)的产率得到2-methyl-1-(6-(5-(1-methyl-1H-pyrazol-4-yl)-1H-pyrazolo[3,4-c]pyridin-3-yl)pyridin-2-ylamino)propan-2-ol