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