InChI=1/C15H15F3N2O2/c1-2-3-20-4-5-22-13-8-11-9(6-12(13)20)10(15(16,17)18)7-14(21)19-11/h6-8H,2-5H2,1H3,(H,19,21)/f/h19H 9782B571DAC1C9ED