{4)-[alpha-Neup5Ac-(2->3)-beta-D-Galp-(1->4)-beta-D-GlcpNAc-(1->6)]-beta-D-Glcp-(1->4)-beta-D-Galp-(1->4)-beta-D-Glcp-(1->}n
{4)-[alpha-neup5ac-(2->3)-beta-d-galp-(1->4)-beta-d-glcpnac-(1->6)]-beta-d-glcp-(1->4)-beta-d-galp-(1->4)-beta-d-glcp-(1->}n
A branched polysaccharide derivative composed of a backbone of repeating [α-Neu5Ac-(2→3)-β-<small>D</small>-Gal-(1→4)-β-<small>D</small>-GlcNAc-(1→6)]-β-<small>D</small>-Glc-(1→4)-β-<small>D</small>-Gal-(1→4)-β-<small>D</small>-Glc units, joined by (1→4)-linkages as shown.