87250-52-0Relevant articles and documents
Benzimidazole derivatives, process for the preparation thereof and pharmaceutical composition containing the same
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, (2008/06/13)
Novel benzimidazole derivatives of the formula: STR1 wherein R1 is an alkyl group having 1 to 3 carbon atoms, allyl group, propargyl group, or phenyl group; R2 is hydrogen atom or an alkyl group having 1 to 3 carbon atoms; and n is 2 or 3, or pharmaceutically acceptable acid addition salts thereof, which have excellent antihistaminic activities and are useful as antiallergics for various allergic diseases, and a process for the preparation thereof, and an antihistaminic composition containing the compound as an active ingredient.