InChI=1/C16H19F3N2O2/c1-3-9-21(10-4-2)12-15(22)20-11-13-7-5-6-8-14(13)23-16(17,18)19/h3-8H,1-2,9-12H2,(H,20,22)/p+1/fC16H20F3N2O2/h20-21H/q+1 5212C52D79B9E272