1848-84-6 1H-Benzimidazole, 2-ethyl- 2-Ethyl-1H-benzimidazole 2-Ethylbenzimidazole 5-23-06-00436 (Beilstein Handbook Reference) AI3-51842 BENZIMIDAZOLE, 2-ETHYL- BRN 0116484 EINECS 217-433-8 NSC 28961 NSC 38878