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