InChI=1/C18H12FN3O4/c19-13-3-1-2-12(9-13)17-21-22-18(26-17)20-16(23)7-5-11-4-6-14-15(8-11)25-10-24-14/h1-9H,10H2,(H,20,22,23)/b7-5+/f/h20H 2374240DF486485A