High Pressure Liquid Chromatography Identification and Quantification of Morpholine Residual Content in Cobicistat After Derivatization. International Journal of Pharmaceutical Sciences and Drug Research, [S. l.], v. 13, n. 6, p. 646–650, 2021. DOI: 10.25004/IJPSDR.2021.130607. Disponível em: https://ijpsdronline.com/index.php/journal/article/view/3208.. Acesso em: 17 oct. 2025.