InChI=1/C18H17FN2O3/c1-11-4-3-5-14(12(11)2)17(22)20-16-10-13(6-7-15(16)19)21-8-9-24-18(21)23/h3-7,10H,8-9H2,1-2H3,(H,20,22)/f/h20H 6B1E548EC61B157A