Gayathri, N., & Suresh, M. (2016). Synthesis, Characterization and Antibacterial Studies of Oxovanadium Complexes of Tetradentate Schiff Base Derived from 4-Aminoantipyrine, o-Phenylene diamine and Vanillin/Furfural. Asian Journal of Chemistry, 29(3), 541–546. https://doi.org/10.14233/ajchem.2017.20303