InChI=1S/C21H22O10/c22-11-2-1-9-5-10(8-29-15(9)6-11)13-4-3-12(7-14(13)23)30-21-18(26)16(24)17(25)19(31-21)20(27)28/h1-4,6-7,10,16-19,21-26H,5,8H2,(H,27,28)