InChI=1S/C21H24O10/c1-29-13-7-11(6-12(22)9-13)14(23)8-10-4-2-3-5-15(10)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)