InChI=1/C20H15FN2O2S2/c1-13(11-14-5-3-2-4-6-14)12-17-19(25)23(20(26)27-17)22-18(24)15-7-9-16(21)10-8-15/h2-12H,1H3,(H,22,24)/b13-11-,17-12+/f/h22H 3BEEA65E0081F05E