InChI=1/C18H16FNO5S/c1-24-15-4-2-3-14(11-15)20-18(21)16-17(26(22,23)10-9-25-16)12-5-7-13(19)8-6-12/h2-8,11H,9-10H2,1H3,(H,20,21)/f/h20H D4002B5152BA15F8