5-(Aminocarbonyl)-1H-imidazol-4-yl 4-fluorobenzenesulfonate 5-Carbamoyl-1H-imidazole-4-yl 4'-fluorobenzenesulfonate 78682-27-6 Benzenesulfonic acid, 4-fluoro-, 5-(aminocarbonyl)-1H-imidazol-4-yl ester