“?STUDIES WITH POLYFUNCTIONALLY SUBSTITUTED HETEROAROMATIC COMPOUNDS: SYNTHESIS OF SOME NEW POLYFUNCTION,ALLY SUBSTITUTED PYRIDO [3, 2-c]- PYRIDINES ANDPYRIDO [2,3-C]-PYRIDAZINES”, Pakistan Journal of Scientific & Industrial Research, vol. 41, no. 2, pp. 81–85, Sep. 1998, Accessed: Mar. 10, 2026. [Online]. Available: https://v2.pjsir.org/index.php/biological-sciences/article/view/2238