alpha-Neu5Ac-(2->6)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->2)-alpha-D-Man-(1->3)-[alpha-Neu5Ac-(2->6)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->2)-alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc(2-)
alpha-neu5ac-(2->6)-beta-d-gal-(1->4)-beta-d-glcnac-(1->2)-alpha-d-man-(1->3)-[alpha-neu5ac-(2->6)-beta-d-gal-(1->4)-beta-d-glcnac-(1->2)-alpha-d-man-(1->6)]-beta-d-man-(1->4)-beta-d-glcnac(2-)
A branched glucosamine oligosaccharide obtained by deprotonation of the carboxy groups of α-Neu5Ac-(2→6)-β-<small>D</small>-Gal-(1→4)-β-<small>D</small>-GlcNAc-(1→2)-α-<small>D</small>-Man-(1→3)-[α-Neu5Ac-(2→6)-β-<small>D</small>-Gal-(1→4)-β-<small>D</small>-GlcNAc-(1→2)-α-<small>D</small>-Man-(1→6)]-β-<small>D</small>-Man-(1→4)-β-<small>D</small>-GlcNAc; major species at pH 7.3.