HAMAMA, Wafaa S.; ZOOROB, Hanafi Hassan; EL-MAGID, Osama Abd. Fused and spiro nitrogen heterocycles of quinuclidine and its C-nucleosides. European Journal of Chemistry, [S. l.], v. 2, n. 4, p. 552–557, 2011. DOI: 10.5155/eurjchem.2.4.552-557.265. Disponível em: https://www.eurjchem.com/index.php/eurjchem/article/view/265. Acesso em: 30 apr. 2024.