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