InChI=1/C14H21FN2O/c1-3-16-14(18)8-9-17(4-2)11-12-6-5-7-13(15)10-12/h5-7,10H,3-4,8-9,11H2,1-2H3,(H,16,18)/f/h16H 5287671933D0436F