[L-gro-alpha-D-manHep?-(1->7)-[alpha-D-Galp-(1->6)-beta-D-Glcp-(1->4)-alpha-D-Glcp-(1->2)-alpha-D-Glcp-(1->3)]-L-gro-alpha-D-manHep?-(1->3)]-L-gro-D-manHep(?->