InChI=1S/C20H26O11/c1-8(2)4-5-9-12(7-11(21)10(6-13(22)23)17(9)29-3)30-20-16(26)14(24)15(25)18(31-20)19(27)28/h4,7,14-16,18,20-21,24-26H,5-6H2,1-3H3,(H,22,23)(H,27,28)