3-(4-Phenoxy-phenyl)-1-piperidin-3-yl-1H-pyrazolo[3,4-d]pyrimidin-4-ylamine;(R)-3-(4-苯氧基苯基)-1-(**-3-基)-1H-吡唑并[3,4-d]嘧啶-4-胺; 依鲁替尼中间体;1022150-12-4 Formula:C22H22N6O IBT6A is an impurity of Ibrutinib. IBT6A can be used in synthesis of IBT6A Ibrutinib dimer and IBT6A adduct. Ibrutinib is a selective, irreversible Btk inhibitor with an IC50 of 0.5 nM