InChI=1/C18H15FN2O4/c1-24-13-7-8-14(16(9-13)25-2)17(22)15(10-20)18(23)21-12-5-3-11(19)4-6-12/h3-9,21,23H,1-2H3/p-1/b18-15-/fC18H14FN2O4/h23h/q-1 F963370F32263823