InChI=1/C18H11FN2O4S/c19-12-7-5-11(6-8-12)17-13-3-1-2-4-14(13)25-18(17)26(23,24)16-10-9-15(22)20-21-16/h1-10H,(H,20,22)/p-1/fC18H10FN2O4S/q-1 5B5445A5503A55B4