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