Ayad, Magda Mohamed, Hisham Ezzat Abdellatef, Mervat Mohamed Hosny, and Yassmin Ahmed Sharaf. “Application of 4-Chloro-7-Nitrobenzofurazan for the Analysis of Propafenone and Diltiazem Hydrochlorides Using Kinetic Spectrophotometric and Spectrofluorimetric Methods”. European Journal of Chemistry 4, no. 1 (March 31, 2013): 35–43. Accessed May 2, 2024. https://www.eurjchem.com/index.php/eurjchem/article/view/713.