Trung Hieu, Bui, et al. “Synthesis and In Vitro Cytotoxic Evaluation of 7-Chloro-4-Anilino-Quinoline Amide Derivatives”. Asian Journal of Chemistry, vol. 25, no. 8, Mar. 2013, pp. 4453-6, doi:10.14233/ajchem.2013.14016.