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