New Nitro Diazo Dye Vanillin Derivatives, Synthesis and Characterization. Al-Nahrain Journal of Science, [S. l.], v. 27, n. 3, p. 24–31, 2024. DOI: 10.22401/pvgazv05. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/2744. Acesso em: 27 apr. 2025.