Aljahdali, M. S., Elmalik, Y. H., & El-Reash, G. M. A. (2014). Synthesis of some transition metal complexes of novel 1-methylpyrazole-3-aldehyde-4-(2-pyridyl) thiosemicarbazone: Spectroscopic and in vitro biological activity studies. European Journal of Chemistry, 5(2), 201–208. https://doi.org/10.5155/eurjchem.5.2.201-208.952