InChI=1/C18H16FNO5S/c1-10-8-12(19)4-7-16(10)26(22,23)20-13-5-6-15-14(9-13)17(11(2)25-15)18(21)24-3/h4-9,20H,1-3H3 6FF9F9D4C71D5C2E