WU, H., CHEN, X.-M., WAN, Y., XIN, H.-Q., LIAN, S.-Q., & YE, L. (2010). Synthesis of Polyhydroquinolines Hantzsch Reaction Catalyzed by Starch Sulfuric Acid in Water. Asian Journal of Chemistry, 21(4), 2815–2821. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/12390