R. V.S. Nirogi, R. Badange, P. Gudla, and M. Khagga, “Synthesis and Structure Activity Relationship of 3-(Arylsulfonyl)-8-(piperidin-4-yl amino)quinoline Derivatives as 5-HT6 Receptor Antagonists”, ajc, vol. 26, no. 13, pp. 3779–3784, Jun. 2014.