InChI=1S/C21H24O11/c1-8-4-10(22)7-11(5-8)30-17-9(2)6-12(29-3)18(16(17)26)31-21-15(25)13(23)14(24)19(32-21)20(27)28/h4-7,13-15,19,21-26H,1-3H3,(H,27,28)