alpha-D-Kdop-(2->4)[alpha-D-GlcpN-(1->2)-L-gro-alpha-D-manHep?-(1->3)[beta-D-Galp-(1->4)-beta-D-GlcpN-(1->3)-beta-D-Galp-(1->4)-beta-D-Glcp-(1->4)]-L-gro-alpha-D-manHep?-(1->5)]-alpha-D-Kdop-(2->6)-beta-D-GlcpN-(1->6)-?-D-GlcpN(1->