The object of the present invention is to provide a salt of a substituted pyridine compound having excellent CETP inhibition activity and useful as a medicine. The present invention provides a salt of a compound represented by general formula (I): [In the formula, R1 is a substitutable alkoxy].本發明之課題係提供一種具有優異CETP抑制活性而有用於作為醫藥之經取代之吡啶化合物之鹽。本發明提供一種以通式(I)表示之化合物之鹽:[式中,R1:可經取代之烷氧基等]。