13570-08-6 1H-Benzimidazole-2-acetic acid (9CI) 2-(Carboxymethyl)benzimidazole 2-BENZIMIDAZOLEACETIC ACID 5-25-04-00285 (Beilstein Handbook Reference) Acetic acid, 2-benzimidazol-2-yl- BRN 0153484 NSC 525202