?-D-GlcpN-(1->?)-L-gro-?-D-manHep?-(1->?)[?-D-Glcp-(1->?)-?-D-Glcp-(1->?)]-L-gro-?-D-manHep?4PyrP-(1->?)-L-gro-?-D-manHep?4PyrP-(1->?)-?-D-Kdop(2->