“The Effect of Deactivating Groups in the Formation of Some Biologically Important Lactams (Isatins) and Their Further Derivatization”. Journal of the Bangladesh Chemical Society 25, no. 1 (September 3, 2012): 46–52. Accessed July 5, 2026. https://www.banglajol.info/index.php/JBCS/article/view/11771.