Zinc Acetate as a Catalyst: Improved Method of Protection of Amino Group in Synthesis of Nucleobase Derivatives and its Biological Applications. International Journal of Pharmaceutical Sciences and Drug Research, [S. l.], v. 14, n. 6, p. 689–697, 2022. DOI: 10.25004/IJPSDR.2022.140605. Disponível em: https://ijpsdronline.com/index.php/journal/article/view/5438.. Acesso em: 16 oct. 2025.