Garg, Priyanka, Ajay K. Manglik, and Indranil Chakraborti. 2010. “Synthesis and Spectral Properties of Copper(II) Complexes of 4[N-(3’-Nitrobenzyldine) Amino] Antipyrine”. Asian Journal of Chemistry 8 (1):173-76. https://asianpubs.org/index.php/ajchem/article/view/24038.