InChI=1S/C15H16O9S/c1-7-4-11(17)14-10(15(19)12(18)6-13(14)23-7)5-9(16)3-8(2)24-25(20,21)22/h4,6,8,18-19H,3,5H2,1-2H3,(H,20,21,22)