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