M. E. Khalifa, M. A.-H. Mohamed, and N. H. Alshehri, “Synthesis of novel 2-amino-5-arylazothiazol derivatives and their biological impacts: Assessment of toxicity and antioxidant enzymes activities”, Maced. J. Chem. Chem. Eng., vol. 34, no. 2, pp. 309–319, Nov. 2015.