IBRAHIM, M.N. “Synthesis and Characterization of 2-Arylbenzimidazoles by Reaction of O-Nitroaniline and Aromatic Aldehyde Derivatives via Reductive Cyclization”. Asian Journal of Chemistry 19, no. 3 (March 30, 2010): 2419–2422. Accessed July 7, 2024. https://asianpubs.org/index.php/ajchem/article/view/13824.