FIELD: organic chemistry, pharmacy. SUBSTANCE: invention relates to derivatives of 5-(2-imidazolinylamino)-benzimidazole of the general formula (I) 
where R means unsubstituted C1-3-alkyl; R' - hydrogen atom, unsubstituted C1-3-alkyl, halogen atom or cyano-group; R'' - hydrogen atom or methyl. Compounds are agonists of α-2-adrenoreceptors and useful for treatment of patients with a single or some respiratory disorders, in part, nasal breathing disorder, ophthalmic disorders, in part, glaucoma and gastroenteric disorders, in part, diarrhea. EFFECT: valuable pharmacological properties of compounds. 22 cl, 17 ex
