InChI=1S/C26H26O13/c1-26(2)6-5-9-11(39-26)8-13-15(16(28)14-12(34-3)7-10(27)21(35-4)22(14)36-13)20(9)37-25-19(31)17(29)18(30)23(38-25)24(32)33/h5-8,17-19,23,25,27,29-31H,1-4H3,(H,32,33)