Raman, N., A. Selvan, and A. Shunmugasundaram. 2012. “Synthesis, Structural and Antimicrobial Activities of Some Phenylhydrazone Derivatives of Metal β-Diketonates Β-Ketoesters”. Asian Journal of Chemistry 9 (2):183-86. https://asianpubs.org/index.php/ajchem/article/view/23834.