InChI=1S/C26H26O12/c1-25(2)4-3-10-5-15-12(8-14(10)38-25)26(33)9-34-16-7-11(6-13(27)17(16)22(26)36-15)35-24-20(30)18(28)19(29)21(37-24)23(31)32/h3-8,18-22,24,27-30,33H,9H2,1-2H3,(H,31,32)