InChI=1/C21H24F2N2O/c22-16-3-1-15(2-4-16)19-14-21(20-13-17(23)5-6-18(19)20)25-9-7-24(8-10-25)11-12-26/h1-6,13,19,21,26H,7-12,14H2/t19-,21+/m0/s1 98D1E60D55FB36B4