InChI=1S/C22H26O8/c1-28-15-10-8-14(9-11-15)16(12-7-13-5-3-2-4-6-13)29-22-19(25)17(23)18(24)20(30-22)21(26)27/h2-6,8-11,16-20,22-25H,7,12H2,1H3,(H,26,27)