Dhurgham Aziz, Mohauman Mohammed Majeed and Ahmed Thamer Salim 2023. Synthesis, Characterization, and Study the Biological Activity of New Di-azetidinone Derivatives. Journal of Population Therapeutics and Clinical Pharmacology. 30, 7 (Apr. 2023), 349–359. DOI:https://doi.org/10.47750/jptcp.2023.30.07.041.