Singh, D., Prakash Rai, B. and Singh, V. (2010) “Synthesis of ?-Lactams Using Dimethyl Formaminium Chloride Chlorosulphate Reagent”, Asian Journal of Chemistry, 20(8), pp. 5857–5862. Available at: https://asianpubs.org/index.php/ajchem/article/view/13030 (Accessed: 23 November 2024).