InChI=1S/C26H26O13/c1-26(2)6-5-9-10(39-26)7-12-14(16(9)27)17(28)15-11(34-3)8-13(21(35-4)22(15)36-12)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)