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