CROSS REFERENCE TO RELATED APPLICATIONS
This application is a National Stage of International Application No. PCT/JP2012/081744 filed Dec. 7, 2012, claiming priority based on Japanese Patent Application No. 2011-268561 filed Dec. 8, 2011, the contents of all of which are incorporated herein by
TECHNICAL FIELD
The present invention relates to a novel piperidine derivative, to a histamine-H3 receptor antagonist containing the novel piperidine derivative as an active ingredient thereof, and to a preventive or remedy for metabolic system diseases, circulatory system diseases, central or