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