[beta-L-Galp-(1->4)-beta-L-GlcpNAc-(1->3)-beta-L-Galp-(1->4)-beta-L-Glcp-(1->4)-beta-L-Glcp-(1->4)-[alpha-L-Glcp-(1->3)-alpha-L-GlcpNAc-(1->2)-L-gro-alpha-D-manHepp?PEtn-(1->3)]-L-gro-alpha-D-manHepp?PEtn-(1->5)]-L-3-deoxy-manOct2ulo-onic(?->