EL-HAWARY, W.F. Spectrophotometric Studies on Some 1,3,5-Triphenyl Formazans . Asian Journal of Chemistry, [S. l.], v. 8, n. 4, p. 719–727, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/24179. Acesso em: 5 nov. 2024.