V. Patel, Anil, and G.M. Malik. 2010. “Synthesis and Characterization of Some Novel Biphenyl-4- Carboxylic Acid (4-Benzylidene-5-Oxo-2-Subsituted Phenyl-4,5-Dihydro-Imidazol-1-yl)amide”. Asian Journal of Chemistry 21 (7):5155-59. https://asianpubs.org/index.php/ajchem/article/view/18286.