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-叔丁氧羰基-4-氨甲基哌啶 以to give 183 as a white solid (55% over two steps)的产率得到6-(5-(1-methyl-1H-pyrazol-4-yl)-1H-pyrazolo[3,4-c]pyridin-3-yl)-N-(piperidin-4-ylmethyl)pyridin-2-amine