Pragi, et al. “Chalcone Ditosylates As Potent Precursor for Synthesis of Some 4,5-Disubstituted Isoxazoles With Antioxidant and Anti-Inflammatory Activities”. Asian Journal of Chemistry, vol. 31, no. 8, June 2019, pp. 1847-50, doi:10.14233/ajchem.2019.22077.