InChI=1S/C21H24O11/c1-9(2)4-5-29-12-6-10(28-3)7-13-11(12)8-14(20(27)30-13)31-21-17(24)15(22)16(23)18(32-21)19(25)26/h4,6-8,15-18,21-24H,5H2,1-3H3,(H,25,26)