Z. Shafiq, M. Hussain, M. Yaqub, K. Shafiq, M. Ashraf, and H. Badaruddin Ahmad, “Synthesis of Metal-Based Analogues of Isonicotinoyl and Benzoyl Hydrazones and Their Antioxidant and Cytotoxic Activities”, ajc, vol. 24, no. 10, pp. 4623–4628, May 2012.