R. Gupta, Gaurav, Ganesh R. Chaudhari, Preeti A. Tomar, Govinda P. Waghulade, and Keshar Singh J. Patil. “Molten Ammonium Salt As a Solvent for Menschutkin Quaternization Reaction (Synthesis of Ionic Liquids) and Other Heterocyclic Compounds”. Asian Journal of Chemistry 24, no. 10 (May 14, 2012): 4675–4678. Accessed July 22, 2024. https://asianpubs.org/index.php/ajchem/article/view/9619.