InChI=1S/C26H24O12/c1-26(2)6-5-9-13(38-26)4-3-10-16-21(36-20(9)10)11-7-12(27)15(8-14(11)34-24(16)33)35-25-19(30)17(28)18(29)22(37-25)23(31)32/h3-4,7-8,17-19,22,25,27-30H,5-6H2,1-2H3,(H,31,32)