InChI=1S/C23H21F3N2/c24-23(25,26)22-3-1-2-20(15-22)19-8-12-28(13-9-19)11-7-17-4-5-18-6-10-27-16-21(18)14-17/h1-6,8,10,14-16H,7,9,11-13H2