Singh, Lakshman, Pravin Gupta, Ms. Upma Singh, and Indranil Chakraborti. 2010. “Synthesis and Characterization of Some Four-Coordinated Pt(II) Coordination Compounds of Semicarbazones Derived from 4-Aminoantipyrine”. Asian Journal of Chemistry 13 (4):1363-67. https://asianpubs.org/index.php/ajchem/article/view/22808.