“Synthesis, Characterization and Kinetic Studyies of Oxazepine and Oxazepane from Reaction of 1,3-Bis (2-Hydroxy- Benzylidene)- Urea and 1,3-Bis-(dimethylamino-Benzylidene)-Urea With Maleic, Succinic and Phthalic Anhydride”. 2005. Al-Nahrain Journal of Science 8 (2). https://anjs.edu.iq/index.php/anjs/article/view/1617.