InChI=1/C16H17F3N2O/c1-8-15(2,3)7-9-4-10-11(16(17,18)19)5-14(22)21-13(10)6-12(9)20-8/h4-6,8,20H,7H2,1-3H3,(H,21,22)/t8-/m1/s1/f/h21H 288521E5E35B05F8