... Diuretic Agents Related to Indapamide. 1. Synthesis and Activity of 1-Substituted 2- (4-C hloro-3-sulfamoylbenzamido)isoindolines Giorgio Cignarella,* Paolo Sanna, Institute of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Sassari, 07100 Sassari, Italy Egidio Miele, Vittorio Anania, and Maria S. Desole Institute of Pharmacology, Faculty of Medicine, University of Sassari, 07100 Sassari, Italy. Received February 11, 1980 ...