InChI=1S/C22H24O9/c23-16(29-11-10-13-4-2-1-3-5-13)12-14-6-8-15(9-7-14)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)