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