Thirupathaiah, A., and G. Venkateshwar Rao. “Indium Triflate Catalyzed Michael Addition of Amines to a,?-Unsaturated Esters and Nitriles: Synthesis of ?-Amino Esters and Nitriles”. Asian Journal of Chemistry 21, no. 1 (March 30, 2010): 375–378. Accessed November 5, 2024. https://asianpubs.org/index.php/ajchem/article/view/18933.