InChI=1S/C15H16O9S/c16-9-5-13(18)11(14(19)6-9)7-10(24-25(21,22)23)3-8-1-2-12(17)15(20)4-8/h1-2,4-6,10,16-20H,3,7H2,(H,21,22,23)