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