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