Structural and Spectroscopic Study of Novel Tetradentate Macrocyclic Ligand Type N4 and It’s Complexes with CrIII, MnII, FeII, CoII, NiII ,CuII, PdII and CdII. IHJPAS [Internet]. 2017 Jul. 28 [cited 2024 May 7];22(4). Available from: https://jih.uobaghdad.edu.iq/index.php/j/article/view/1141