[alpha-D-GlcpN-(1->7)-L-gro-alpha-D-manHepp-(1->7)-[alpha-D-Glcp-(1->3)-L-gro-alpha-D-manHepp4P-(1->3)]-L-gro-alpha-D-manHepp4PPEtn-(1->5)-alpha-L-3-deoxy-manOct2ulop7PEtn-onic-(2->4)-alpha-L-3-deoxy-manOct2ulop-onic(2-]-