BHARADWAJ, S.D. Synthesis and Biological Activities of Some New Formazans, Part-I . Asian Journal of Chemistry, [S. l.], v. 14, n. 2, p. 767–770, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/22149. Acesso em: 26 aug. 2024.