InChI=1/C21H26O9/c1-21(2)10(7-12-17(25)19(27)18(26)13(8-22)28-12)16(24)15-11(30-21)5-3-9-4-6-14(23)29-20(9)15/h3-6,10,12-13,16-19,22,24-27H,7-8H2,1-2H3/t10-,12+,13-,16+,17+,18-,19-/m1/s1 84210C0EDCFB412F