[D-gro-alpha-L-3-deoxy-galNon2ulop5NAc-onic-(2->3)-beta-L-Galp-(1->3)-beta-L-GalpNAc-(1->4)-[D-gro-alpha-L-3-deoxy-galNon2ulop5NAc-onic-(2->3)-beta-L-Galp-(1->3)]-beta-D-Glcp-(1->2)-L-gro-alpha-D-manHep?(1-]-