InChI=1/C17H17F3N2O/c1-8-2-3-13-9(4-8)10-5-11-12(17(18,19)20)6-16(23)22-15(11)7-14(10)21-13/h5-9,13,21H,2-4H2,1H3,(H,22,23)/t8-,9+,13+/m0/s1/f/h22H 0F31EEC6C655D3BF