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.