2-chloro-5-(1-hydroxy-3-oxoisoindolin-1-yl)benzenesulfonamide;2-Chloro-5-(2,3-dihydro-1-hydroxy-3-oxo-1H-isoindol-1-yl)-benzenesulfonamide; 3-Hydroxy-3-[4-chloro-3-sulfamylphenyl]phthalimidine; Chlorthalidon; Chlorthalidone; Hygroton; Igroton;Phthalamudine;Zambesil; NSC 69200;Chlorthalidone