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