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