[beta-D-Glcp-(1->4)-[beta-D-GlcpNAc-(1->3)-L-gro-alpha-D-manHepp-(1->3)-L-gro-alpha-D-manHepp-(1->5)]-D-gro-alpha-D-talOct2ulop7PEtn-onic-(2->4)-alpha-L-3-deoxy-manOct2ulop-onic(2-]-