Using of Diazotized 2,4-Dinitroaniline in Spectrophotometric Estimation of Phenylephrine Hydrochloride. Rafidain Journal of Science, [S. l.], v. 29, n. 3, p. 37–46, 2020. DOI: 10.33899/rjs.2020.166310. Disponível em: https://rsci.uomosul.edu.iq/index.php/rsci/article/view/47279. Acesso em: 31 aug. 2026.