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