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