InChI=1S/C23H18F2N4O4/c1-33-16-7-4-14(5-8-16)12-29-22(31)21-19(3-2-10-26-21)28(23(29)32)13-20(30)27-18-9-6-15(24)11-17(18)25/h2-11H,12-13H2,1H3,(H,27,30)