Kumar, Abhishek, Pankaj Kumar, Prashant Nayak, D. S. Sandeep, Sneh Priya, Jainey P. James, and H. Shravya. “Synthesis and Antimicrobial Activity of Some New Coumarin Incorporated Pyridine-3-Carbonitrile Derivatives”. Journal of Pharmaceutical Research International 33, no. 21A (April 7, 2021): 12-20. Accessed April 13, 2021. https://journaljpri.com/index.php/JPRI/article/view/31364.