InChI=1S/C21H24O10/c1-29-13-8-10(7-12(22)9-13)5-6-11-3-2-4-14(23)18(11)30-21-17(26)15(24)16(25)19(31-21)20(27)28/h2-4,7-9,15-17,19,21-26H,5-6H2,1H3,(H,27,28)