InChI=1S/C26H28O17S/c27-6-13-18(31)21(34)23(36)26(42-13)15-19(32)14-10(28)5-12(8-2-1-3-9(4-8)43-44(37,38)39)41-24(14)16(20(15)33)25-22(35)17(30)11(29)7-40-25/h1-5,11,13,17-18,21-23,25-27,29-36H,6-7H2,(H,37,38,39)