has role is deprotonated form of sulfonamide antineoplastic agent aminopyrimidine tyrosine kinase inhibitor indazoles angiogenesis modulating agent vascular endothelial growth factor receptor antagonist pazopanib(1+) pazopanib A pyrimidine that is 5-(pyrimidin-2-yl}amino-2-methylbenzenesulfonamide substituted at position 4 by a (2,3-dimethylindazol-6-yl)(methyl)amino group. Used as its hydrochloride salt for treatment of kidney cancer.