title: Reversed-phase high-performance liquid chromatography of tyrosine-containing metabolites of enkephalins using octanesulphonic acid as ion-pairing agent and radioactivity detection.
mesh_terms: D000476:Alkanesulfonates; D017738:Alkanesulfonic Acids; D000818:Animals; D002851:Chromatography, High Pressure Liquid; D004745:Enkephalins / Q000032:analysis*; D051381:Rats; D013056:Spectrophotometry, Ultraviolet; D014443:Tyrosine / Q000032:analysis*
chemical_list: D000476:Alkanesulfonates; D017738:Alkanesulfonic Acids; D004745:Enkephalins; D014443:Tyrosine; C042005:1-octanesulfonic acid