InChI=1S/C21H24O11/c1-21(2)10(32-21)7-9-6-8-4-5-11(22)29-15(8)18(28-3)16(9)30-20-14(25)12(23)13(24)17(31-20)19(26)27/h4-6,10,12-14,17,20,23-25H,7H2,1-3H3,(H,26,27)