[beta-L-Galp-(1->4)-beta-D-GlcpNAc-(1->3)-beta-L-Galp-(1->4)-beta-D-Glcp-(1->4)-[alpha-D-Glcp-(1->3)-alpha-D-GlcpNAc-(1->2)-L-gro-alpha-D-manHepp6/7PEtn-(1->3)]-L-gro-alpha-D-manHepp-(1->5)]-L-3-deoxy-manOct2ulo-onic(?->