Erenler, R. (2011). Facile and Efficient Synthesis of Ethyl 3-oxo-3-(pyridin-4-yl)-2-((pyridin-4-yl)methylene)propanoate. Asian Journal of Chemistry, 23(8), 3763–3764. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/10719