InChI=1S/C22H22O11/c1-29-10-6-14-12(8-16(31-14)11-4-3-9(23)5-13(11)30-2)15(7-10)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)