InChI=1/C17H19F3N2O/c1-15(2)8-9-5-10-11(17(18,19)20)6-14(23)21-13(10)7-12(9)22-16(15,3)4/h5-7,22H,8H2,1-4H3,(H,21,23)/f/h21H 2A81D4661C58BC7A