D. Prabhavat, Manoj, A.R. Vyawahare, and B.J. Ghiya. 2010. “Synthesis and Antibacterial Activity of Some Substituted Azetidine-2-Ones”. Asian Journal of Chemistry 11 (4):1123-26. https://asianpubs.org/index.php/ajchem/article/view/23458.