InChI=1S/C22H22O9/c1-10-16(23)19(26)20(27)22(30-10)31-14-8-13-15(18(25)21(14)28-2)17(24)12(9-29-13)11-6-4-3-5-7-11/h3-10,16,19-20,22-23,25-27H,1-2H3/t10-,16-,19+,20+,22-/m0/s1