HASSAN, A.Y. Some Cyclization Reactions of 6-Mercaptopurine with Expected Biological Activity. Asian Journal of Chemistry, [S. l.], v. 22, n. 1, p. 689–698, 2024. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/16695. Acesso em: 26 aug. 2024.