Imatinib Impurity 1

Chemical Name: N-[4-Methyl-3-(4-pyridin-3-yl-pyrimidin-2-ylamino)-phenyl]-4-chloromethyl Benzamide; 4-Chloromethyl-N-[4-methyl-3-[[4-(pyridin-3-yl)pyrimidin-2-yl]amino]phenyl]benzamide; N-[5[[4-(Chloromethyl)benzoyl]amino]-2-methylphenyl]4-(3-pyridyl)-2-pyrimidine