ABBASI. , K.; KHUHAWAR, M.Y.; BHANGER, M.I. Ethyl Chloroformate as Derivatizing Reagent for Gas Chromatographic Determination of Norephedrine, Ephedrine and Pseudoephedrine in Pharmaceutical Preparation. Asian Journal of Chemistry, [S. l.], v. 21, n. 2, p. 1145–1154, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/18802. Acesso em: 29 nov. 2024.