InChI=1/C15H12F4N4O2/c1-7-12(15(17,18)19)21-22-13(7)20-14(24)11-6-10(23-25-11)8-3-2-4-9(16)5-8/h2-5,11H,6H2,1H3,(H2,20,21,22,24)/t11-/m0/s1/f/h20-21H 6C2B96E571D5B3C7