ALI, SHAHINA, and MAHBUB ALAM. 1995. “?Analytical Studies on Biologically Active Compounds. Part II. Separation and Quantitation of Mixtures of Isatin Derivatives for Application to Metabolism Studies: ?Short Communication”. Biological Sciences - PJSIR 38 (8):330-32. https://v2.pjsir.org/index.php/biological-sciences/article/view/2513.