InChI=1S/C26H24O12/c1-26(2)6-5-10-13(38-26)4-3-11-15-21(36-20(10)11)16-12(27)7-9(8-14(16)35-24(15)33)34-25-19(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)