InChI=1S/C22H22O10/c1-29-11-5-6-13-15(8-11)30-9-14(16(13)23)10-3-2-4-12(7-10)31-22-19(26)17(24)18(25)20(32-22)21(27)28/h2-8,14,17-20,22,24-26H,9H2,1H3,(H,27,28)