[beta-D-Glc?-(1->4)-[D-gro-alpha-L-manHepp-(1->7)-L-gro-alpha-D-manHepp-(1->7)-[beta-D-Glc?NAc-(1->3)-L-gro-alpha-D-manHepp-(1->3)]-L-gro-alpha-D-manHepp-(1->5)]-D-gro-alpha-D-talOct2ulop-onic-(2->4)-alpha-L-3-deoxy-manOct2ulop-onic(2-]-