InChI=1S/C26H26O17/c27-9-3-7(1-2-12(9)42-26-21(36)17(32)19(34)23(43-26)24(37)38)22-18(33)16(31)14-10(28)4-8(5-13(14)41-22)40-25-20(35)15(30)11(29)6-39-25/h1-5,11,15,17,19-21,23,25-30,32-36H,6H2,(H,37,38)