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