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