Trimer impurity of Pazopanib

Chemical Name: N2,N2'-(((4-((4-((2,3-dimethyl-2H-indazol-6-yl)(methyl)amino)pyrimidin-2-yl)amino)phenyl)methylene)bis(4-methyl-3,1-phenylene))bis(N4-(2,3-dimethyl-2H-indazol-6-yl)-N4-methylpyrimidine-2,4-diamine)