Swathy, S.S., et al. “Synthesis, Spectroscopic Characterization, Antibacterial and Corrosion Inhibitory Activities of Some 3d-Metal Complexes of [(2-Pyrrole-2-Carboxaldehyde)-3-isatin]bishydrazone”. Asian Journal of Chemistry, vol. 27, no. 12, Aug. 2015, pp. 4679-85, doi:10.14233/ajchem.2015.19346.