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