InChI=1/C15H15F3N2O/c1-14(2)3-4-19-12-7-11-8(5-10(12)14)9(15(16,17)18)6-13(21)20-11/h5-7,19H,3-4H2,1-2H3,(H,20,21)/f/h20H 53747EFD68EB72E2