Abdelhamid, Abdou Osman, Abdelgawad Ali Fahmi, and Karema Noury Mahmoud Halim. “Reactions With Hydrazonoyl Halides 65: Synthesis of Some New 1,3,4-Thiadiazoles and triazolino[4,3-a]pyrimidines Containing Pyrazole Moiety”. European Journal of Chemistry 2, no. 3 (September 30, 2011): 317–323. Accessed November 21, 2024. https://eurjchem.com/index.php/eurjchem/article/view/420.