title: Preparation of oxytocin specifically 14C-labeled in the tyrosine residue.
mesh_terms: D002250:Carbon Radioisotopes; D007553:Isotope Labeling; D010121:Oxytocin / Q000138:chemical synthesis; D014443:Tyrosine
chemical_list: D002250:Carbon Radioisotopes; D014443:Tyrosine; D010121:Oxytocin