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