InChI=1S/C22H24O9/c23-16(29-11-10-13-6-2-1-3-7-13)12-14-8-4-5-9-15(14)30-22-19(26)17(24)18(25)20(31-22)21(27)28/h1-9,17-20,22,24-26H,10-12H2,(H,27,28)