Naveenkumar Reddy, C. et al. 2011. An Expeditious Synthesis of Some Novel N-Pyridyl-1,4-dihydro-4-oxo-3-quinoline Carboxylic Acids/Amides as Potential CB2 Cannabinoid Receptor Agonists. Asian Journal of Chemistry. 23, 7 (Mar. 2011), 2981–2988.