InChI=1/C20H23F3N2O/c1-3-8-25-16-7-5-4-6-12(16)13-9-14-15(20(21,22)23)10-19(26)24(2)17(14)11-18(13)25/h9-12,16H,3-8H2,1-2H3/t12-,16-/m1/s1 4FB2D35F5AA3E480