InChI=1S/C22H22O11/c1-29-12-5-4-10-18-11(7-30-19(10)14(12)23)9-3-2-8(6-13(9)32-18)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)