InChI=1/C18H12Cl2N4/c19-13-7-4-8-14(20)17(13)23-18-16-9-21-11-24(16)15(10-22-18)12-5-2-1-3-6-12/h1-11H,(H,22,23)/f/h23H A72B7EFC9CD65977