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