Hussein, F., Aa bid, 0. H., & Ali, K. F. (2017). Synthesis and Characterization of 1,3- Oxazepine and Benz [ 1,2-e][1,3] Oxazepine-4,7-Diones. Ibn AL-Haitham Journal For Pure and Applied Sciences, 19(3), 32-51. https://jih.uobaghdad.edu.iq/index.php/j/article/view/1643