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