InChI=1/C20H21F3N2O2/c1-19(2)11-4-12-25(13-19)18(26)17-6-3-5-16(24-17)14-7-9-15(10-8-14)27-20(21,22)23/h3,5-10H,4,11-13H2,1-2H3 3675CB95DB99D88C