Marzouk, Magda Ismail, Galal Hosni Sayed, Mohamed Said Abd ElHalim, and Salma Yehia Mansour. “Synthesis and Characterization of Novel Pyrazolone Derivatives”. European Journal of Chemistry 5, no. 1 (March 31, 2014): 24–32. Accessed May 2, 2024. https://www.eurjchem.com/index.php/eurjchem/article/view/870.