InChI=1S/C26H28O17/c27-8-4-10(29)14-13(5-8)40-21(22(16(14)32)42-25-19(35)15(31)11(30)6-39-25)7-1-2-12(9(28)3-7)41-26-20(36)17(33)18(34)23(43-26)24(37)38/h1-5,11,15,17-23,25-31,33-36H,6H2,(H,37,38)