ПИПЕРИДИНОВОЕ ПРОИЗВОДНОЕ ИЛИ ЕГО ФАРМАЦЕВТИЧЕСКИПРИЕМЛЕМАЯ СОЛЬ

摘要

The piperidine derivative of the present invention in which the 4-position of the piperidine ring is bonded, via vinylene, to a mono-substituted (-R 1 ) or unsubstituted benzene ring and the 1-position of the piperidine ring has an acyl group [-C(=O)-R 4 ], or a pharmaceutically acceptable salt thereof has an excellent sodium channel inhibition action and an excellent analgesic action and shows a high analgesic effect particularly to neurogenic pain. The present compound is useful as a sodium channel inhibitor of low side effect