MeSH note : was heading 1966-94 (see under BENZIMIDAZOLES 1966-90); use BENZIMIDAZOLES to search
CLEMIZOLE 1966-94; a histamine H1- blocker used to treat allergies;
MeSH CAS label : 1H-Benzimidazole, 1-((4-chlorophenyl)methyl)-2-(1-pyrrolidinylmethyl)-;