Imatinib Bis Impurity

Chemical Name: 1,4-Bis-[4-[4-methyl-3-[[4-(pyridin-3-yl)pyrimidin-2-yl]amino]phenyl]carbamoyl]benzylpiperazine;

Synonym: Des(methylpiperazinyl-N-methyl) Imatinib Dimer Impurity;