InChI=1/C17H11FN2O4/c18-10-6-4-9(5-7-10)8-13(21)19-12-3-1-2-11-14(12)15(22)17(24)20-16(11)23/h1-7H,8H2,(H,19,21)(H,20,23,24)/f/h19-20H 3B2655E3C9766125