Synthesis , Characterization and Study of Biological Activity of Some New Schiff Bases ,1,3-Oxazepine and Tetrazole Derived from 2,2 di thiophenyl Acetic Acid. Ibn AL-Haitham Journal For Pure and Applied Sciences, [S. l.], v. 31, n. 1, p. 189–202, 2018. DOI: 10.30526/31.1.1866. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/1866.. Acesso em: 3 may. 2024.