InChI=1/C23H27FN2O2/c1-4-20-21(5-2)28-23(27-20)11-10-16-12-19-15(13-22(16,23)3)14-25-26(19)18-8-6-17(24)7-9-18/h6-9,12,14,20-21H,4-5,10-11,13H2,1-3H3/t20-,21-,22+/m1/s1 1E4A70C6D1C2CF6A