1987905-93-0

Ibrutinib Addition Adduct with (R)-1-(3-(4-Amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidin-1-yl) is an impurity of Ibrutinib (I124970), which is a immunotherapeutic drug used to target B cell receptor signaling and can possibly inhibit Wnt signaling.