Gautam, N. (2010) “Synthesis, Spectral Characterization and Antioxidative Evaluation of Substituted 4H-1,4-Benzothiazine and Their Sulfones”, Asian Journal of Chemistry, 22(7), pp. 5380–5388. Available at: https://asianpubs.org/index.php/ajchem/article/view/11757 (Accessed: 3 July 2024).