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