[beta-L-Galp-(1->4)-beta-D-GlcpNAc-(1->3)-beta-L-Galp-(1->4)-?-D-Glcp-(1->4)-?-D-GlcpNAc-(1->2)-?-?-Hepp3PEtn-(1->3)-?-?-Hepp-(1->5)]-L-3-deoxy-manOct2ulo-onic(?->