InChI=1S/C17H13F3N2O3/c1-2-10-3-6-14(13(19)9-10)21-16-11(4-5-12(18)15(16)20)17(24)22-25-8-7-23/h1,3-6,9,21,23H,7-8H2,(H,22,24)