InChI=1/C17H15F4NO2/c1-2-14-15(23)22-13-6-5-11(18)9-12(13)16(24-14,17(19,20)21)8-7-10-3-4-10/h5-6,9-10,14H,2-4H2,1H3,(H,22,23)/t14-,16-/m0/s1/f/h22H B20F74EBFEBF471E