Synthesis, Characterization and Antibacterial Evaluation of New Schiff Base Ligand and Its Complexes of Transition Metal Ion Zn (II), based on 6-Aminopenicillanic Acid. Journal of Pharmaceutical Negative Results, [S. l.], v. 13, n. 2, p. 97–101, 2022. Disponível em: https://pnrjournal.com/index.php/home/article/view/211.. Acesso em: 10 jun. 2026.