K. Tripathy, Pradeep. 2010. “Condensation of 2-Substituted 2-Oxazolin-5-Ones With O-Hydroxyaromatic Carbonyl Compounds and Their Imines Under Microwave Activation”. Asian Journal of Chemistry 20 (6):4353-56. https://asianpubs.org/index.php/ajchem/article/view/19028.