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