InChI=1S/C26H24O15/c1-34-8-6-9-10(7-4-5-37-25(7)38-9)18-11(8)13(27)12-19(17(31)21(35-2)23(36-3)20(12)39-18)40-26-16(30)14(28)15(29)22(41-26)24(32)33/h4-7,14-16,22,25-26,28-31H,1-3H3,(H,32,33)