[beta-D-Glcp-(1->4)-[beta-L-GalpA-(1->7)-L-gro-alpha-D-manHepp-(1->7)-[beta-L-GalpA4PEtn-(1->3)-beta-D-GlcpNAc-(1->6)-alpha-D-GlcpN-(1->4)-alpha-L-GalpA-(1->3)-L-gro-alpha-D-manHepp6PEtn-(1->3)]-L-gro-alpha-D-manHepp-(1->5)]-alpha-L-3-deoxy-manOct2ulop-onic-(2->4)-alpha-L-3-deoxy-manOct2ulop-onic(2-]-