InChI=1/C21H16FNO2S/c22-17-9-5-15(6-10-17)21-19-4-2-1-3-16(19)13-20(21)14-7-11-18(12-8-14)26(23,24)25/h1-12H,13H2,(H2,23,24,25)/f/h23H2 9D1844CD394FBB9F