Thirupathaiah, A., & Venkateshwar Rao, G. (2010). Indium Triflate Catalyzed Michael Addition of Amines to a,?-Unsaturated Esters and Nitriles: Synthesis of ?-Amino Esters and Nitriles. Asian Journal of Chemistry, 21(1), 375–378. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/18933