Synthesis and Characterization Zn (II), Cd (II) and Hg (II) complexes with hydrazone Schiff base derived from Benzo hydrazide and 4-acetyl pyridine. Euro.J.Ph.Ch.Ma. 2022;5:47-54. Accessed January 20, 2026. https://geniusjournals.org/index.php/ejpcm/article/view/1068