InChI=1S/C23H21FN4O4/c1-31-18-9-10-20(32-2)15(12-18)13-26-21(29)14-27-19-4-3-11-25-22(19)28(23(27)30)17-7-5-16(24)6-8-17/h3-12H,13-14H2,1-2H3,(H,26,29)