SYNTHESIS AND ANTIMICROBIAL ACTIVITY OF SCHIFF’S AND N-MANNICH BASES OF ISATIN AND ITS DERIVATIVES WITH 4-AMINO-N-CARBAMIMIDOYL BENZENE SULFONAMIDE. Int. J. Pharm. Sci. Drug Res. [Internet]. 2010 Apr. 1 [cited 2025 Sep. 22];2(2):151-4. Available from: https://ijpsdronline.com/index.php/journal/article/view/110