Hatim, Ibtihal Hassan, et al. “Synthesis, Characterization and Acute Toxicity of New Schiff Base Derived from Phenylethyl Amine and 2-Hydroxy Naphthaldehyde”. European Journal of Chemistry, vol. 10, no. 1, Mar. 2019, pp. 26-29, doi:10.5155/eurjchem.10.1.26-29.1790.