The present invention is to provide a novel compound which is useful as a
pharmaceutical agent such as an analgesic. The present invention is to
provide the novel histidine derivative having an excellent analgesic
action and the like. The compound of the present invention has a very
high intermigration into the blood upon oral administration and is very
useful as a pharmaceutical agent, especially an analgesic for the
treatment of acute or chronic pain diseases and of neuropathic pain
diseases.