Synthesis & Characterisation of Ni (Ii) Chelates of Diethylmesoxalate Phenylhydrazone and Their Electron Releasing As Well As Electron Withdrawing Substituent in Ammoniacal Medium: Synthesis and Characterization of Ni (II) Complexes with Electron-Releasing and Electron-Withdrawing Substituents. JASRAE. 2013;5(10):0-0. Accessed June 9, 2025. https://ignited.in/index.php/jasrae/article/view/4873