R. R. Joshi, J. Z. Chandanshive, and P. D. Lokhande, “Ammonium Chloride Promoted One-Pot, Three-Component Mannich Reaction: An Efficient Synthesis of β-Amino Ketones and β-Amino Esters”, ajc, vol. 34, no. 12, pp. 3353–3360, Nov. 2022.