[D-gro-alpha-L-3-deoxy-galNon2ulop5NAc-onic-(2->3)-beta-L-Galp-(1->4)-beta-D-GlcpNAc-(1->6)-D-gro-alpha-L-3-deoxy-galNon2ulop5NAc-onic-(2->3)-beta-L-Galp-(1->4)-beta-D-GlcpNAc-(1->3)-beta-L-Galp(1-]-