InChI=1S/C21H24O12/c1-7(22)3-12(24)15(25)10-5-9(6-13-14(10)11(23)4-8(2)31-13)32-21-18(28)16(26)17(27)19(33-21)20(29)30/h4-7,15-19,21-22,25-28H,3H2,1-2H3,(H,29,30)