InChI=1/C19H18FNO4S/c1-12(2)26(24,25)17-15-5-3-4-6-16(15)18(22)21(19(17)23)11-13-7-9-14(20)10-8-13/h3-10,12,23H,11H2,1-2H3/p-1/fC19H17FNO4S/h23h/q-1 FEB18D1B5F503AA5