InChI=1S/C26H26O18/c27-6-2-8-5(1-9(6)43-26-22(38)19(35)21(37)24(44-26)25(39)40)15(31)14-10(41-8)3-7(28)13(17(14)33)23-20(36)18(34)16(32)11(42-23)4-12(29)30/h1-3,11,16,18-24,26-28,32-38H,4H2,(H,29,30)(H,39,40)