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