InChI=1/C21H17FN2O4/c22-15-5-7-16(8-6-15)24-12-13(9-19(24)25)11-23-20(26)17-10-14-3-1-2-4-18(14)28-21(17)27/h1-8,10,13H,9,11-12H2,(H,23,26)/t13-/m0/s1/f/h23H F661394E282A873E