4-Benzamidosalicylic acid sodium salt 537-20-2 BPAS Benzoic acid, 4-(benzoylamino)-2-hydroxy-, monosodium Benzoic acid, 4-(benzoylamino)-2-hydroxy-, monosodium salt N-Benzoyl-p-aminosalicylic acid sodium salt NSC142649 Salicylic acid, 4-benzamido-, sodium salt Sodium benzoyl-p-aminosalicylate