InChI=1/C21H18F2N4O4/c22-15-6-5-13(9-16(15)23)25-17(28)10-24-18(29)11-27-19(30)21(26-20(27)31)8-7-12-3-1-2-4-14(12)21/h1-6,9H,7-8,10-11H2,(H,24,29)(H,25,28)(H,26,31)/t21-/m0/s1/f/h24-26H F4AFCF04EBB71591