Osunniran, Wahab Adesina, et al. “Synthesis, Characterization and in Vitro Antibacterial Studies of Novel Transition Metal (II) Complexes of 2,5-Diamino-2-(difluoromethyl)pentanoic Acid Hydrochloride Hydrate”. Orbital: The Electronic Journal of Chemistry, vol. 10, no. 5, June 2018, pp. 367-80, https://periodicos.ufms.br/index.php/orbital/article/view/16052.