InChI=1S/C26H24O17S/c27-11-4-1-9(2-5-11)26(37)41-8-14-24(43-44(38,39)40)22(35)23(36)25(42-14)16-18(31)15(19(32)21(34)20(16)33)17(30)10-3-6-12(28)13(29)7-10/h1-7,14,22-25,27-29,31-36H,8H2,(H,38,39,40)