Similar names: Salicylic acid, 4-amino- (8CI); 4-Amino-2-hydroxybenzoic acid; 2-Hydroxy-4-aminobenzoic acid; 3-Hydroxy-4-carboxyaniline; 4-ASA; 4-Aminosalicylic acid; 4-Carboxy-3-hydroxyaniline; Amino-PAS; Apacil; Apas; Deapasil; Entepas; Euteropas; Gabbropas; Monopass; NSC 2083; NSC 211698; Osacyl; PAS; PAS (acid); PASK; Pamacyl; Pamisyl; Para-Pas; Para-aminosalicylic acid; Paramycin; Parasal; Parasalicil; Parasalindon; Pasa; Pasalon; Pasara; Pasem; Paser; Pasmed; Pasnodia; Pasolac; Propasa; Rezipas; Sanipirol-4; p-Aminosalicylic acid