Yuan, Shizhen, Kehua Zhang, and Jingjing Xia. 2013. “Microwave-Assisted Synthesis of 2-Methyl-4-Quinolinones via Combes Synthesis Catalyzed by Acidic Resin under Solvent-Free Condition”. Asian Journal of Chemistry 25 (10):5535-38. https://doi.org/10.14233/ajchem.2013.OH9.