InChI=1/C16H12Cl2N4O/c17-14-7-12(8-15(18)21-14)16(23)20-9-11-1-3-13(4-2-11)22-6-5-19-10-22/h1-8,10H,9H2,(H,20,23)/f/h20H 66B86284A39F3B3E