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