Piperazinium, 1-methyl-1,4-bis[[4-[[[4-methyl-3-[[4-(3-pyridinyl)-2-pyrimidinyl]amino]phenyl]amino]carbonyl]phenyl]methyl]- Imatinib Imp.R Imatinib H 1-Methyl-1,4-bis[[4-[[[4-methyl-3-[[4-(3-pyridinyl)-2-pyrimidinyl]amino]phenyl]amino]carbonyl]phenyl]methyl]-piperazinium DISCONTNUED 1-Methyl-1,4-bis(4-((4-methyl-3-((4-(pyridin-3-yl)pyrimidin-2-yl)amino)phenyl)carbamoyl)benzyl)piperazin-1-ium (Imatinib Impurity) Imatinib EP Impurity D (Imatinib Dimer) Imatinib Impurity 72