Abdelrazek, F. M., Kassab, N. A.-L., Metwally, N. H., & Sobhy, N. A. (2010). Synthesis of some novel pyridine and naphthyridine derivatives. European Journal of Chemistry, 1(4), 368–372. https://doi.org/10.5155/eurjchem.1.4.368-372.104