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