InChI=1S/C25H34O18/c26-9-6-38-23(17(33)19(9)42-25-16(32)13(29)14(30)20(43-25)22(36)37)39-7-10-11(27)12(28)15(31)24(40-10)41-18(21(34)35)8-4-2-1-3-5-8/h1-5,9-20,23-33H,6-7H2,(H,34,35)(H,36,37)