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