Hussain, Faiq H. S. 2019. “Synthesis of Assigned Structure of Cairomycin A, 6-Isopropyl-2,5-Diketopiperazine-3-Acetic Acid and Its Β-Lactam Analogue N`- (3-Methyl-1-Hydroxybutyr-2-Yl) Azetidin-2-One-4-Carboximide”. Science Journal of University of Zakho 7 (4):144-51. https://doi.org/10.25271/sjuoz.2019.7.4.638.