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