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