InChI=1S/C22H22O11/c1-29-10-4-3-9-5-15(31-13(9)6-10)11-7-16(12(23)8-14(11)30-2)32-22-19(26)17(24)18(25)20(33-22)21(27)28/h3-8,17-20,22-26H,1-2H3,(H,27,28)