S. M. Ahmed, K. M. Salih, H. O. Ahmad, Z. H. Jawhar, and D. H. Hamad, “Synthesis, spectroscopic characterization and antibacterial activity of new series of Schiff base derived from 4-aminoantipyrine and 2-amino benzimidazole”, Zanco J Med Sci, vol. 23, no. 2, pp. 206–216, Aug. 2019.