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