InChI=1S/C19H18FN3O4/c1-23-14-9-12(8-11-2-4-13(20)5-3-11)10-22-16(14)17(25)15(19(23)27)18(26)21-6-7-24/h2-5,9-10,24-25H,6-8H2,1H3,(H,21,26)