InChI=1/C16H17F3N2O2/c1-9(2)8-21-3-4-23-14-7-12-10(5-13(14)21)11(16(17,18)19)6-15(22)20-12/h5-7,9H,3-4,8H2,1-2H3,(H,20,22)/f/h20H 2629989CB5021AF2