InChI=1S/C25H21F3N2O/c1-24(2,31)20-6-4-3-5-19(20)17-10-13-21-22(15-17)30-23(29-21)14-9-16-7-11-18(12-8-16)25(26,27)28/h3-15,31H,1-2H3,(H,29,30)/b14-9+