InChI=1/C18H14F2O4S/c1-25(22,23)15-4-2-11(3-5-15)16-6-7-17(21)18(16)24-14-9-12(19)8-13(20)10-14/h2-5,8-10H,6-7H2,1H3 EFB96E625B56ABCD