InChI=1/C19H12F2N2O4/c20-10-4-5-11(14(21)8-10)18(24)12-6-7-23(25)17(16(12)22)13-2-1-3-15-19(13)27-9-26-15/h1-8H,9,22H2 4DAD85E37A364D89