InChI=1S/C24H23F3N2O2/c25-24(26,27)19-8-4-5-15(13-19)14-20-21(28-23(31)29-22(20)30)18-11-9-17(10-12-18)16-6-2-1-3-7-16/h1-8,13,17-18H,9-12,14H2,(H2,28,29,30,31)/t17-,18-