Thomas, S., & Harikumaran Nair, M. (2016). Synthesis and Spectral Studies of Some Novel Oxovanadium(IV) Complexes of 2,3-Dimethyl-1-Phenyl-4-(2-hydroxy-5-chlorophenylazo)pyrazol-5-one. Asian Journal of Chemistry, 17(4), 2657–2662. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/13897