InChI=1/C15H9FN2O4/c16-11-4-2-1-3-9(11)12-6-5-8(22-12)7-10-13(19)17-15(21)18-14(10)20/h1-7H,(H2,17,18,19,20,21)/p-1/fC15H8FN2O4/h17H/q-1/b10-7- 2F0CB50EDBAEA8B1