InChI=1/C15H12F3NO2/c1-9-2-5-12-11(8-9)14(15(16,17)18,21-13(20)19-12)7-6-10-3-4-10/h2,5,8,10H,3-4H2,1H3,(H,19,20)/t14-/m0/s1/f/h19H A61226759608670F