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