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