Rehman, Aziz-ur, et al. “Synthesis, Spectral Characterization and Biological Screening of N-Substituted Derivatives of N-(1-Hydroxy-2-Methylpropan-2-yl)benzenesulfonamide”. Asian Journal of Chemistry, vol. 25, no. 6, Jan. 2013, pp. 3289-93, doi:10.14233/ajchem.2013.13642.