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