InChI=1/C18H13FN2O5/c19-11-1-3-12(4-2-11)21-8-7-15(20-21)18(25)26-10-17(24)14-6-5-13(22)9-16(14)23/h1-9,22-23H,10H2 49D81571EB7500A2