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