InChI=1/C18H15FN2O4/c19-11-1-4-13(5-2-11)21-14(6-8-17(21)22)18(23)20-12-3-7-15-16(9-12)25-10-24-15/h1-5,7,9,14H,6,8,10H2,(H,20,23)/t14-/m1/s1/f/h20H 7435E93531F74AF2