“SYNTHESIS AND ANTIMICROBIAL ACTIVITY OF SCHIFF’S AND N-MANNICH BASES OF ISATIN AND ITS DERIVATIVES WITH 4-AMINO-N-CARBAMIMIDOYL BENZENE SULFONAMIDE”. International Journal of Pharmaceutical Sciences and Drug Research, vol. 2, no. 2, Apr. 2010, pp. 151-4, https://doi.org/10.25004/IJPSDR.2010.020214.