InChI=1S/C21H24O11/c1-28-11-5-3-10(4-6-11)14(8-13-7-12(29-2)9-15(22)30-13)31-21-18(25)16(23)17(24)19(32-21)20(26)27/h3-7,9,14,16-19,21,23-25H,8H2,1-2H3,(H,26,27)