M. F. Ibrahim1, A. A.A. Al-Karewi1, S. N. Khattab1, E. A. Hamed1, and A. El-Faham1, “Aminolysis of Isatin and N-Acetyl Isatin in Acetonitrile and Mixed Acetonitrile-Water Solvents”, ajc, vol. 26, no. 23, pp. 8029–8038, Nov. 2014.