InChI=1S/C22H22O11/c1-29-9-3-5-12-14(6-9)32-19-11-4-2-10(7-13(11)30-8-22(12,19)28)31-21-17(25)15(23)16(24)18(33-21)20(26)27/h2-7,15-19,21,23-25,28H,8H2,1H3,(H,26,27)