InChI=1/C17H19F3N2O/c1-4-16(2)6-5-10-7-11-12(17(18,19)20)8-15(23)22(3)14(11)9-13(10)21-16/h7-9,21H,4-6H2,1-3H3/t16-/m1/s1 A8F707037A5AFAD8