Singh D, Prakash Rai B, Singh V. Synthesis of ?-Lactams Using Dimethyl Formaminium Chloride Chlorosulphate Reagent. ajc [Internet]. 2010 Mar. 30 [cited 2024 Nov. 23];20(8):5857-62. Available from: https://asianpubs.org/index.php/ajchem/article/view/13030