Synthesis, Characterization and spectroscopic study of new NNS Schiff base and its Cu(II), Cd (II) and Zn(II) metal complexes. cbej [Internet]. 2023 Jan. 23 [cited 2025 Apr. 22];18(74):125-32. Available from: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/9691