Abdel-Aziem, Anhar, Marwa Sayed El-Gendy, and Abdou Osman Abdelhamid. “Synthesis and Antimicrobial Activities of pyrido[2,3-d]pyrimidine, Pyridotriazolopyrimidine, Triazolopyrimidine, and pyrido[2,3-d:6,5d’]dipyrimidine Derivatives”. European Journal of Chemistry 3, no. 4 (December 31, 2012): 455–460. Accessed April 28, 2024. https://www.eurjchem.com/index.php/eurjchem/article/view/683.