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