Ankush, Bhaskar P., et al. “One-Pot Synthesis of 2,4,5-Triaryl-1H-Imidazoles Using Glutamic Acid As Catalyst”. Orbital: The Electronic Journal of Chemistry, vol. 13, no. 3, July 2021, pp. 232-5, https://periodicos.ufms.br/index.php/orbital/article/view/15605.