InChI=1S/C21H22O11/c1-7-3-11(24)15-9(4-10(23)6-13(15)31-7)5-12(25)14(8(2)22)19-17(27)16(26)18(28)20(32-19)21(29)30/h3-4,6,14,16-20,23,26-28H,5H2,1-2H3,(H,29,30)