InChI=1S/C17H16O9S/c1-24-13-7-12(18)14-15(19)10(8-25-17(14)16(13)20)6-9-2-4-11(5-3-9)26-27(21,22)23/h2-5,7,10,18,20H,6,8H2,1H3,(H,21,22,23)