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