InChI=1/C14H10F2NO5S/c1-22-14(19)10-7-9(3-5-13(10)18)23(20,21)17-12-6-8(15)2-4-11(12)16/h2-7H,1H3,(H,18,19)/q-1/f/h18H 0D8F60C0E3212036