Ramazani, A. (2010) “Silica Gel Powder Catalyzed Intermolecular Wittig Reaction of Fluorine-containing Stabilized Phosphorus Ylides with Ninhydrin in Solvent-free Conditions”, Asian Journal of Chemistry, 18(1), pp. 701–703. Available at: https://asianpubs.org/index.php/ajchem/article/view/21431 (Accessed: 26 August 2024).