InChI=1S/C22H24O9/c1-28-12-4-2-11(3-5-12)16-9-15(24)14-7-6-13(8-17(14)30-16)29-22-21(27)20(26)19(25)18(10-23)31-22/h2-8,16,18-23,25-27H,9-10H2,1H3