ethyl 2-(4-chloro-3-sulfamoylbenzoyl)benzoate; Chlorthalidone Acid Ethyl Ester; 2-[3-(Aminosulfonyl)-4-chlorobenzoyl]-benzoic Acid Ethyl Ester;o-(4-Chloro-3-sulfamoylbenzoyl)-benzoic Acid Ethyl Ester; (4-Chloro-3-sulphamoylbenzoyl)benzoate, Ethyl 2-