InChI=1S/C26H28O17S/c27-6-13-17(31)20(34)21(35)26(42-13)16-19(33)15(25-22(36)23(11(30)7-40-25)43-44(37,38)39)18(32)14-10(29)5-12(41-24(14)16)8-2-1-3-9(28)4-8/h1-5,11,13,17,20-23,25-28,30-36H,6-7H2,(H,37,38,39)