Singh, Lakshman, Pravin Gupta, and Indranil Chakraborti. 2010. “Synthesis and Characterization of Some Ruthenium(III) Complexes of Semicarbazones Derived from 4-Aminoantipyrine”. Asian Journal of Chemistry 13 (2):682-86. https://asianpubs.org/index.php/ajchem/article/view/22649.