[beta-D-Glc?-(1->4)-[L-gro-alpha-D-manHep?-(1->7)-[alpha-L-3-deoxy-manOct2ulo?-onic-(2->6)-alpha-D-Glc?N-(1->4)-alpha-L-Gal?A-(1->3)-L-gro-alpha-D-manHep?-(1->3)]-L-gro-alpha-D-manHep?-(1->5)]-alpha-L-3-deoxy-manOct2ulo?-onic-(2->4)-alpha-L-3-deoxy-manOct2ulo?-onic(2-]-