InChI=1S/C22H22O11/c1-29-8-2-3-10-13(6-8)30-7-11-9-4-5-12(14(23)19(9)32-18(10)11)31-22-17(26)15(24)16(25)20(33-22)21(27)28/h2-6,11,15-18,20,22-26H,7H2,1H3,(H,27,28)