title: One-vessel synthesis of 4-hydroxyproline from glyoxal and oxaloacetic acid.
mesh_terms: D006037:Glyoxal; D006909:Hydroxyproline / Q000138:chemical synthesis*; D010071:Oxaloacetates
chemical_list: D010071:Oxaloacetates; D006037:Glyoxal; D006909:Hydroxyproline