InChI=1/C20H17F4NO2S/c1-13-15(12-20(22,23)24)11-19(25(13)17-7-5-16(21)6-8-17)14-3-9-18(10-4-14)28(2,26)27/h3-11H,12H2,1-2H3 0F5A6D2408C385B9