InChI=1/C22H21FN2O2/c1-27-19-11-5-15(6-12-19)13-16-3-2-4-20-21(14-26)24-25(22(16)20)18-9-7-17(23)8-10-18/h5-12,14,16H,2-4,13H2,1H3/t16-/m0/s1 13662DF1FF51E992