... were obtained by stirring for 2 h zinc(I1) nitrate hexahydrate (0.1 mmol), pyridoxal hydrochloride (0.1 mmol), the amino acid (0.1 mmol), and methanolic 0.1 M sodium hydroxide (0.3 mmol) in absolute meth- anol (final volume 100 mL). ... 0 1983 American Chemical Society ... Vol. ...
