1-(p-Chlorobenzyl)-2-pyrrolidylmethylenebenzimidazole 1H-Benzimidazole, 1-[(4-chlorophenyl)methyl]-2-(1-pyrrolidinylmethyl)- 442-52-4 Benzimidazole, 1-(p-chlorobenzyl)-2-(1-pyrrolidinylmethyl)- Clemizol Clemizole Histacur Histakool NSC46261