InChI=1S/C20H24O10/c1-20(2,26)11-6-9-5-8-3-4-12(22)29-16(8)18(17(9)28-11)30-19-15(25)14(24)13(23)10(7-21)27-19/h3-5,10-11,13-15,19,21,23-26H,6-7H2,1-2H3