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