InChI=1/C16H17F3N2O/c1-8-4-9-5-10-11(16(17,18)19)6-14(22)20-13(10)7-12(9)21-15(8,2)3/h5-8,21H,4H2,1-3H3,(H,20,22)/t8-/m0/s1/f/h20H E424B2808502ED35