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