2-Benzimidazolethiol, 5-chloro- 2-Benzimidazolinethione, 5-chloro- 25369-78-2 2H-Benzimidazole-2-thione, 5-chloro-1,3-dihydro- 5-Chloro-2-benzimidazolethiol 5-Chloro-2-mercaptobenzimidazole NSC45283