InChI=1S/C26H34O19/c27-7-26(39)8-41-25(21(26)36)40-6-12-14(30)15(31)18(34)23(43-12)44-13(29)4-2-9-1-3-11(10(28)5-9)42-24-19(35)16(32)17(33)20(45-24)22(37)38/h1-5,12,14-21,23-25,27-28,30-36,39H,6-8H2,(H,37,38)/b4-2+