InChI=1/C15H27F3N2O2/c16-15(17,18)12-20(8-4-10-21)9-7-14(22)19-11-13-5-2-1-3-6-13/h13,21H,1-12H2,(H,19,22)/f/h19H DC7946B1BBA4F9E6