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