InChI=1S/C22H20F3NO3/c23-22(24,25)15-5-7-17-14(8-9-29-20(17)11-15)10-21(28)26-19-3-1-2-13-4-6-16(27)12-18(13)19/h1-3,5,7,10-11,16,27H,4,6,8-9,12H2,(H,26,28)/b14-10+/t16-/m1/s1