“Preparation of Some Azo Compounds by Diazotization and Coupling of 2- Amino -5 – Thiol -1,3,4- Thiadizaole”. Baghdad Science Journal 4, no. 2 (June 1, 2007): 271–275. Accessed June 19, 2025. https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/797.