InChI=1/C17H15F2NO5S/c1-11(15(21)20-13-5-3-2-4-6-13)25-16(22)12-7-9-14(10-8-12)26(23,24)17(18)19/h2-11,17H,1H3,(H,20,21)/t11-/m0/s1/f/h20H 64B6ACF182598AF0