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