InChI=1S/C21H24O11/c1-9(8-22)13(30-21-17(26)15(24)16(25)19(32-21)20(27)28)7-11-12(29-2)5-3-10-4-6-14(23)31-18(10)11/h3-6,13,15-17,19,21-22,24-26H,1,7-8H2,2H3,(H,27,28)