InChI=1S/C15H14F2N4O2/c16-9-1-2-10(17)13-12(9)14(18)21-11(20-13)3-5-19-15(22)8-4-6-23-7-8/h1-2,4,6-7,11,20H,3,5H2,(H2,18,21)(H,19,22)/t11-/m1/s1