Phani Kumar, A., V.R.L. Ganesh, K. Hari Prasad, V.S. Hariharakrishnan, P.K. Dubey, and B. Venugopala Rao. 2010. “HPLC Method for the Enantiomeric Purity of Eletriptan Hydrobromide”. Asian Journal of Chemistry 23 (4):1621-24. https://asianpubs.org/index.php/ajchem/article/view/10246.