[beta-D-GlcpN-(1->7)-[alpha-L-GalpN-(1->4)-[alpha-D-Glcp-(1->6)-alpha-D-Glcp-(1->6)-[beta-D-Glcp-(1->4)-beta-D-Glcp-(1->4)]-beta-D-Glcp-(1->3)-alpha-D-GlcpA2NAc-(1->4)]-alpha-L-3-deoxy-manOct2ulop-onic-(2->5)]-alpha-L-3-deoxy-manOct2ulop-onic-(2->4)-alpha-L-3-deoxy-manOct2ulo?-onic(2-]-