title: Enkephalin analogs containing the dipeptide unit Tyr-Arg (kyotorphin).
mesh_terms: D000700:Analgesics; D000818:Animals; D004151:Dipeptides; D004723:Endorphins / Q000138:chemical synthesis*; D004745:Enkephalins / Q000138:chemical synthesis* / Q000494:pharmacology; D051379:Mice
chemical_list: D000700:Analgesics; D004151:Dipeptides; D004723:Endorphins; D004745:Enkephalins; C019448:kyotorphin