InChI=1/C21H25FN2O/c22-18-5-7-19(8-6-18)24-14-12-23(13-15-24)11-9-21-20-4-2-1-3-17(20)10-16-25-21/h1-8,21H,9-16H2/p+1/t21-/m1/s1/fC21H26FN2O/h23H/q+1 DD6987D110340ED0