Ibrahim, Hassan K., Sayed H. El-Tamany, Reda F. El-Shaarawy, and Ibrahim M. El-Deen. “Synthesis and Investigation of Mass Spectra of Some Novel Benzimidazole Derivatives”. Macedonian Journal of Chemistry and Chemical Engineering 27, no. 1 (June 15, 2008): 65–79. Accessed November 3, 2024. https://mjcce.org.mk/index.php/MJCCE/article/view/248.