[alpha-L-Galp-(1->4)-beta-L-Galp-(1->4)-beta-D-Glcp-(1->4)-[alpha-D-GlcpNAc-(1->2)-alpha-?-Hepp6PEtn-(1->3)-alpha-?-Hepp-(1->5)]-alpha-L-3-deoxy-manOct2ulop-onic-(2->4)-alpha-L-3-deoxy-manOct2ulop-onic-(2->6)]-beta-D-GlcpN(1->