0 CHIR-99021 CAS 252917-06-9 In APIs, Pharmaceutical Chemicals, Products 252917-06-9,CHIR-99021,GSK-3 Inhibitor XVI; 6-[2-[4-(2,4-Dichlorophenyl)-5-(4-methyl-1H-imidazol-2-yl)pyrimidin-2-ylamino]ethylamino]pyridine-3-carbonitrile