InChI=1S/C26H24O13/c1-26(2)6-5-10-14(39-26)7-12(27)15-16(28)11(8-36-22(10)15)9-3-4-13(18(30)17(9)29)37-25-21(33)19(31)20(32)23(38-25)24(34)35/h3-8,19-21,23,25,27,29-33H,1-2H3,(H,34,35)