InChI=1S/C20H26O12/c1-20(2)11(32-20)4-8-10(6-9(21)7(5-12(22)23)16(8)29-3)30-19-15(26)13(24)14(25)17(31-19)18(27)28/h6,11,13-15,17,19,21,24-26H,4-5H2,1-3H3,(H,22,23)(H,27,28)