?-6-deoxy-?-Hexp-(1->3)[?-6-deoxy-?-Hexp-(1->3)[?-6-deoxy-?-Hexp-(1->2)-?-?-Hexp-(1->4)]-?-?-HexpNAc-(1->3)-?-?-Hexp-(1->4)]-?-?-HexpNAc-(1->
