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