InChI=1/C20H23F3N2O/c1-13(2)24-19(26)18(15-9-5-4-6-10-15)25-14(3)16-11-7-8-12-17(16)20(21,22)23/h4-14,18,25H,1-3H3,(H,24,26)/t14-,18+/m0/s1/f/h24H 23716DF7CDFC6E9D