Kumar, A. (2011) “Synthesis, Spectral and Antibacterial Studies of 4-Aminoantipyrine Based Tetradentate Ligand and Its Cu(II), Ni(II) and Co(II) Metal Complexes”, Asian Journal of Chemistry, 23(10), pp. 4494–4496. Available at: https://asianpubs.org/index.php/ajchem/article/view/10891 (Accessed: 23 July 2024).