InChI=1S/C20H21F3N2OS/c1-3-24(4-2)12-11-19(26)25-15-7-5-6-8-17(15)27-18-10-9-14(13-16(18)25)20(21,22)23/h5-10,13H,3-4,11-12H2,1-2H3