InChI=1/C15H12F2N4O2/c1-20-13-12(14(22)21(2)15(20)23)18-11(19-13)4-3-8-5-9(16)7-10(17)6-8/h3-7H,1-2H3,(H,18,19)/b4-3+/f/h18H F90B6143A287BD2E