InChI=1S/C17H24O15S/c18-4-9-11(22)12(23)15(17(29-9)28-8-2-6(20)1-7(21)3-8)31-16-13(24)14(10(5-19)30-16)32-33(25,26)27/h1-3,9-24H,4-5H2,(H,25,26,27)