Extracted ion chromatograms from Figure 2 for dp6 compositions (a) [1,2,3,8,0] 4- m/z 411.7; (b) [1,2,3,8,0] 3- m/z 549.3; (c) [1,2,3,8,0] 2- m/z 824.5 and (d) [1,2,3,9,0] 4- m/z 431.7; (e) [1,2,3,9,0] 3- m/z 576.0; (f) [1,2,3,9,0] 2- 873.0. Oligosaccharide compositions are given as [ΔHexA, HexA, GlcN, SO3, Ac].