InChI=1S/C26H24O12/c1-26(2)8-7-12-13(38-26)9-14(35-25-20(32)17(29)19(31)23(37-25)24(33)34)15-16(28)18(30)21(36-22(12)15)10-3-5-11(27)6-4-10/h3-9,17,19-20,23,25,27,29-32H,1-2H3,(H,33,34)