title: Alpha-bromo- and alpha-chloropyridylalanines.
mesh_terms: D000409:Alanine / Q000138:chemical synthesis*; D001966:Bromine; D002713:Chlorine; D008722:Methods; D011725:Pyridines / Q000138:chemical synthesis*
chemical_list: D011725:Pyridines; D002713:Chlorine; D000409:Alanine; D001966:Bromine