title: Cholecystokinin-pancreozymin.2.1 Synthesis of a protected heptapeptide hydrazide corresponding to sequence 17-23.
mesh_terms: D000595:Amino Acid Sequence; D002766:Cholecystokinin; D006834:Hydrazines / Q000138:chemical synthesis; D009842:Oligopeptides / Q000138:chemical synthesis*
chemical_list: D006834:Hydrazines; D009842:Oligopeptides; D002766:Cholecystokinin