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