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