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Ayad, M. M.; Abdellatef, H. E.; Hosny, M. M.; Sharaf, Y. A. Application of 4-Chloro-7-Nitrobenzofurazan for the Analysis of Propafenone and Diltiazem Hydrochlorides Using Kinetic Spectrophotometric and Spectrofluorimetric Methods. Eur. J. Chem. 2013, 4, 35-43.