S. Ezzat, N., A. Basheer, H. and S. Al-Ajely, M. 2005. Synthesis of 1,2,4-Oxadiazolidine and Isoxazolidine Derivatives from Addition of Isocyanates and Alkenes to Nitrones. Rafidain Journal of Science. 16, 8 (Jun. 2005), 15–21. DOI:https://doi.org/10.33899/rjs.2005.42279.