InChI=1S/C26H26O13/c1-26(2)16(39-26)8-12-18(30)17-14(36-22(12)11-4-3-9(27)5-13(11)29)6-10(28)7-15(17)37-25-21(33)19(31)20(32)23(38-25)24(34)35/h3-7,16,19-21,23,25,27-29,31-33H,8H2,1-2H3,(H,34,35)