InChI=1S/C18H24F2N2O/c1-2-21-17(23)14-10-18(20,11-14)15-6-5-13(16(19)9-15)12-22-7-3-4-8-22/h5-6,9,14H,2-4,7-8,10-12H2,1H3,(H,21,23)/t14-,18-