InChI=1S/C20H34O14/c1-3-7(2)9(4-8(21)5-11(22)23)32-20-15(27)12(24)10(33-20)6-31-19-16(28)13(25)14(26)17(34-19)18(29)30/h7-10,12-17,19-21,24-28H,3-6H2,1-2H3,(H,22,23)(H,29,30)