InChI=1S/C21H22O11/c22-11-5-1-9(2-6-11)12(23)7-3-10-4-8-13(24)18(14(10)25)31-21-17(28)15(26)16(27)19(32-21)20(29)30/h1-2,4-6,8,15-17,19,21-22,24-28H,3,7H2,(H,29,30)