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