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