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