InChI=1/C14H10FN2O4S/c1-8-2-3-9(15)6-12(8)17-22(19,20)10-4-5-11-13(7-10)21-14(18)16-11/h2-7H,1H3,(H,16,18)/q-1/f/h16H FDE665915AEF1B9D