Reza Kazemizadeh, Ali, and Ali Ramazani. “Synthesis of Fluorine-Containing a-Acyloxycarboxamide Derivatives from Indane-1,2,3-Trione, Isocyanides and 4-Fluorobenzoic Acid”. Asian Journal of Chemistry, vol. 24, no. 8, Apr. 2012, pp. 3383-5, https://asianpubs.org/index.php/ajchem/article/view/9377.