InChI=1/C17H12Cl4N2O/c18-11-1-3-13(14(20)7-11)17(9-23-6-5-22-10-23)24-16-4-2-12(19)8-15(16)21/h1-8,10,17H,9H2/t17-/m0/s1 FE4B9DFBB3649D66