Aboul-Enein, Mohamed Nabil, et al. “Synthesis and Preliminary Biological Screening of Certain 5-Aralkyl Pyrrolidine-3-Carboxylic Acids As Anticonvulsants”. European Journal of Chemistry, vol. 1, no. 2, June 2010, pp. 102-9, doi:10.5155/eurjchem.1.2.102-109.47.