InChI=1/C15H21F3N2O/c16-15(17,18)11-21-9-1-8-20(14-6-7-14)10-12-2-4-13(19)5-3-12/h2-5,14H,1,6-11,19H2/p+1/fC15H22F3N2O/h20H/q+1 A8FA1C2F29EA21AA