InChI=1/C20H17F3N2O2/c21-20(22,23)15-8-4-9-16(12-15)25-19(26)18(14-6-2-1-3-7-14)24-13-17-10-5-11-27-17/h1-12,18,24H,13H2,(H,25,26)/t18-/m0/s1/f/h25H A5EFFCE0E5F30E26