2015. SYNTHESIS OF NEW 3-CYANOPYRIDINE-2(1H)-ONES WITH UNSATURATED SUBSTITUENTS AT C-4. Proceedings of the YSU B: Chemical and Biological Sciences. 49, 2 (237) (Jul. 2015), 9–13. DOI:https://doi.org/10.46991/PYSUB.2015.49.2.009.