Al-Syari, Abdulkarim H., Saieba S. Hassan, and Zeina Al-dulaimy, trans. “Synthesis and Spectroscopic Study of Some New 1,2,4-Triazino[5,6-b]indole Derivatives”. Thamar University Journal of Natural & Applied Sciences 2, no. 1 (January 27, 2023): 57–68. Accessed January 20, 2026. https://journal.tu.edu.ye/index.php/TUJNAS/article/view/1274.