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