Synthesis of Azo-Bridged Benzothiazole-Phenyl Ester Derivatives via Steglich Esterification. International Journal of Current Engineering and Technology, [S. l.], v. 4, n. 4, p. 2711–2715, 2014. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/1116. Acesso em: 12 apr. 2026.