InChI=1/C16H14Cl2N2O2/c1-16(2)10-8-9(6-7-12(10)20-15(21)22-16)19-13-5-3-4-11(17)14(13)18/h3-8,19H,1-2H3,(H,20,21)/f/h20H FF0320663276E8B7