InChI=1/C16H14Cl2N2O/c1-9(2)20-15-7-10(3-4-14(15)19-16(20)21)11-5-12(17)8-13(18)6-11/h3-9H,1-2H3,(H,19,21)/f/h21H 748AE3244FEB5FBA