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