[alpha-D-Glcp-(1->4)-[L-gro-alpha-D-manHepp-(1->7)-[alpha-D-Rhap-(1->3)-beta-D-QuipNAc-(1->7)-L-gro-alpha-D-manHepp-(1->2)-alpha-D-Glcp-(1->3)-L-gro-alpha-D-manHepp-(1->3)]-L-gro-alpha-D-manHepp-(1->5)]-?-L-Arap4N-(1->8)-D-gro-alpha-D-talOct2ulop-onic-(2->4)-alpha-L-3-deoxy-manOct2ulop-onic(2-]-