[alpha-D-Glcp-(1->7)-alpha-D-Glcp-(1->6)-beta-D-Glcp-(1->3)-alpha-L-GalpN-(1->?)-?-gro-?-D-manHepp-(1->4/5)]-beta-L-3-deoxy-manOct2ulof-onic-(2->4/5)-L-3-deoxy-manOct2ulo-onic(?->