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