InChI=1/C16H17F3N2O/c1-3-9-4-5-21(2)14-8-13-11(6-10(9)14)12(16(17,18)19)7-15(22)20-13/h6-9H,3-5H2,1-2H3,(H,20,22)/t9-/m0/s1/f/h20H 6491298035F32059