EL-SHAAER, Hafez Mohamed. An efficient synthesis of some new isolated and fused 2-oxo-2H-chromene derivatives as antimicrobial and antitumor agents. European Journal of Chemistry, [S. l.], v. 4, n. 2, p. 138–145, 2013. DOI: 10.5155/eurjchem.4.2.138-145.749. Disponível em: https://eurjchem.com/index.php/eurjchem/article/view/749. Acesso em: 2 may. 2024.