Belal, F., EL-Din, M.S., Tolba, M.M. and Alaa, H. 2011. Utility of Certain Nucleophilic Aromatic Substitution Reactions for the Assay of Ethamsylate in its Dosage forms and in Presence of its Degradation Product. JOURNAL OF ADVANCES IN CHEMISTRY. 7, 1 (Apr. 2011), 1223–1239. DOI:https://doi.org/10.24297/jac.v7i1.974.