Rao Yatcherla, Srinivasa, et al. “Synthesis, Characterization and Antibacterial Activity of Some New 3-{[4-(2-Methoxyphenyl)piperazin-1-yl]sulfonyl}benzohydrazide-Hydrazone Derivatives”. Asian Journal of Chemistry, vol. 27, no. 10, June 2015, pp. 3729-33, doi:10.14233/ajchem.2015.18945.