K. Younis, S. and R. Mohamad, M. 2020. Synthesis of some New Spiro 1,3,4-Oxadiazolines Derived from Azlactone. Rafidain Journal of Science. 29, 3 (Sep. 2020), 28–36. DOI:https://doi.org/10.33899/rjs.2020.166309.