InChI=1/C17H12Cl2N2O2/c1-10(22)14(9-20)17(23)21-11-6-7-13(16(19)8-11)12-4-2-3-5-15(12)18/h2-8,21,23H,1H3/p-1/b17-14-/fC17H11Cl2N2O2/h23h/q-1 474D653AD2C3A778