VENKATESHHAN, N.; RAVICHANDRAN, V.; SELVAKUMAR, D.; LAVAKUMAR, V. Synthesis and Characterization of Vanillin Semicarbazones. Asian Journal of Chemistry, [S. l.], v. 23, n. 10, p. 4632–4634, 2011. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/10914. Acesso em: 23 jul. 2024.