Preparation of some azo compounds by diazotization and coupling of 2- amino -5 – thiol -1,3,4- thiadizaole. Baghdad Science Journal, Iraq, Baghdad, v. 4, n. 2, p. 271–275, 2007. DOI: 10.21123/bsj.2007.4.2.271-275. Disponível em: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/797.. Acesso em: 8 jul. 2025.