InChI=1S/C21H24O11/c22-10-3-1-9(2-4-10)5-11(23)6-13-14(24)7-12(8-15(13)25)31-21-18(28)16(26)17(27)19(32-21)20(29)30/h1-4,7-8,11,16-19,21-28H,5-6H2,(H,29,30)