Manikya Sastry, T., and G. Ram Kumar. “Assay of Lercanidipine Hydrochloride With Azocaramine-G, Fe(III) K3[Fe(CN)6] and Folin Ciocalteu Reagent”. Asian Journal of Chemistry 23, no. 4 (December 31, 2010): 1709–1712. Accessed July 1, 2024. https://asianpubs.org/index.php/ajchem/article/view/10171.