N. H. Karam, I. H. R. . Tomi, and J. H. . Tomma, “Synthesis, Characterization and Study of The Liquid Crystalline Behavior of Four and Six Heterocyclic Compounds”, Iraqi Journal of Science, vol. 57, no. 3B, pp. 1876–1890, Apr. 2022, Accessed: Dec. 05, 2025. [Online]. Available: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/6875