InChI=1S/C22H26O9/c1-28-13-4-5-15(16(24)7-13)12-6-11-2-3-14(8-17(11)29-10-12)30-22-21(27)20(26)19(25)18(9-23)31-22/h2-5,7-8,12,18-27H,6,9-10H2,1H3