Vijaya Kumar, Tulam, Ch. Rama Koteswara Rao, K. Mukkanti, and Prathama S. Mainkar. “Polyethylene Glycol (PEG-400) As an Efficient and Recyclable Reaction Medium for One-Pot Synthesis of Substituted Pyrroles Under Catalyst-Free Conditions”. Asian Journal of Chemistry 27, no. 4 (February 4, 2015): 1457–1461. Accessed July 18, 2024. https://asianpubs.org/index.php/ajchem/article/view/27_4_63.