[alpha-L-Galp-(1->4)-beta-L-Galp-(1->4)-beta-D-Glcp-(1->4)-[beta-L-Galp-(1->4)-alpha-D-Glcp-(1->3)-[alpha-D-GlcpNAc-(1->2)-L-gro-alpha-D-manHepp?PEtn-(1->3)]-L-gro-alpha-D-manHepp?PEtn-(1->5)]-alpha-L-3-deoxy-manOct2ulop-onic-(2->4)-alpha-L-3-deoxy-manOct2ulop-onic(2-]-