Polymeric cholesterol reducing agent having vinylimidazole pendant groups

摘要

There is provided a cholesterol reducing agent which contains as an active ingredient an anion exchange resin having a functional group of an imidazolium salt represented by the formula: <IMAGE> wherein the substituents R1a through R4a and X(-) are as defined in the specification and claims. The cholesterol reducing agent according to the present invention has a high selectivity for the adsorption of bile acids and has no bad smell.