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