alpha-D-NeupAc-(2->3)[beta-D-GalpNAc-(1->4)]-beta-D-Galp-(1->4)-beta-D-Glcp-(1->2)-L-gro-alpha-D-manHepp-(1->3)[beta-D-Glcp-(1->4)]-L-gro-alpha-D-manHepp6PEtn-(1->5)-?-D-Kdop-(2->6)-beta-D-GlcpN3N4P-(1->6)-alpha-D-GlcpN(1->