InChI=1S/C20H26O14/c1-7(21)30-6-10-11(22)12(23)15(26)19(33-10)31-8-2-4-9(5-3-8)32-20-16(27)13(24)14(25)17(34-20)18(28)29/h2-5,10-17,19-20,22-27H,6H2,1H3,(H,28,29)