title: Synthesis and biological activity of chloromethyl ketones of leucine enkephalin.
mesh_terms: D000590:Amino Acid Chloromethyl Ketones / Q000138:chemical synthesis* / Q000494:pharmacology; D000818:Animals; D001681:Biological Assay; D004305:Dose-Response Relationship, Drug; D004723:Endorphins / Q000138:chemical synthesis*; D004743:Enkephalin, Leucine; D004745:Enkephalins / Q000138:chemical synthesis* / Q000494:pharmacology; D006168:Guinea Pigs; D007082:Ileum / Q000187:drug effects; D009020:Morphine / Q000494:pharmacology; D013329:Structure-Activity Relationship
chemical_list: D000590:Amino Acid Chloromethyl Ketones; D004723:Endorphins; D004745:Enkephalins; D004743:Enkephalin, Leucine; C028840:enkephalin, N-(1-(Cl-Ac)-3-methylbutyl)-PheNH2(4)-; D009020:Morphine