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