InChI=1S/C21H22O12/c22-9-2-1-7(3-10(9)23)18-12(25)5-8-4-11(24)14(6-13(8)31-18)32-21-17(28)15(26)16(27)19(33-21)20(29)30/h1-4,6,12,15-19,21-28H,5H2,(H,29,30)