Ali Hullio, Ahmed, et al. “First Multipurpose Task Specific Ionic Liquid: Designing and Synthesis of Novel Dimethyl Formamide-Like Ionic Liquid and Its Applications As a Green Solvent Alternative to Dimethyl Formamide Dependent Reactions”. Asian Journal of Chemistry, vol. 23, no. 12, Sept. 2011, pp. 5411-8, https://asianpubs.org/index.php/ajchem/article/view/11161.