Use O-phenylenediamine as an oxidative coupling reagent in the spectrophotometric determination of an antihistamine. Samarra Journal of Pure and Applied Science, [S. l.], v. 6, n. 4, p. 69–79, 2024. DOI: 10.54153/sjpas.2024.v6i4.777. Disponível em: https://sjpas.com/index.php/sjpas/article/view/777. Acesso em: 16 apr. 2026.