“Synthesis and Antioxidant activities of pyrido[1,2-a] pyrimidine derivatives: Chemistry” (2026) Aethel Research Digest Juncture: An International Journal, 2(04), पृ. 133–138. पर उपलब्ध: https://ardjij.com/index.php/ardjij/article/view/52 (अंतिम उपयोग: 21 अक्टूबर 2026).