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