alpha-D-Kdop-(2->4)[beta-D-Glcp-(1->3)[alpha-D-GlcpNAc-(1->4)]-beta-D-GalpNAc-(1->3)-L-gro-alpha-D-manHepp6PyrP-(1->3)-L-gro-alpha-D-manHepp2,4P2-(1->?)]-alpha-D-Kdop-(2->]