Abdelmohsen, Shawkat Ahmed. “A Convenient Synthesis and Preparation of the Derivatives of Ethyl-6-(8-Hydroxyquinolin-5-Yl)-3-Methylpyridazine-4-Carboxylate As Antimicrobial Agents”. European Journal of Chemistry, vol. 5, no. 3, Sept. 2014, pp. 517-25, doi:10.5155/eurjchem.5.3.517-525.1072.