iMatinib related substance C;Imatinib (Piperidine)-1-oxide;4-[(4-methyl-1-oxidopiperazin-1-ium-1-yl)methyl]-N-[4-methyl-3-[(4-pyridin-3-ylpyrimidin-2-yl)amino]phenyl]benzamide;4-[(4-Methyl-1-oxido-1-piperazinyl)methyl]-N-[4-methyl-3-[[4-(3-pyridinyl)-2-pOpen