alpha-D-Kdop-(2->4)[beta-D-GlcpN-(1->2)-beta-D-Glcp-(1->3)[alpha-D-Glcp-(1->4)]-alpha-D-GalpN-(1->3)-L-gro-alpha-D-manHepp-(1->3)-L-gro-alpha-D-manHepp2,4P2-(1->5)]-alpha-D-Kdop-(2->6)-beta-D-GlcpN4P-(1->6)-alpha-D-GlcpN(1->