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