Ibrutinib Impurity 42

N- (1- ((S) -1- (3- ((R) -3- (4-amino-3- (4-phenoxyphenyl) -1H-pyrazolo[3,4-d]pyrimidin-1-yl) piperidin-1-yl) propanoyl) piperidin-3-yl) -3- (4-phenoxyphenyl) -1H-pyrazolo[3,4-d]pyrimidin-4-yl) acrylamide