| 摘要 |
<p>An N-phenyl-N-(4-piperidinyl)amide derivative represented by the following general formula (I): (I) (wherein R1 represents C1-6 alkyl, etc.; R2 and R4 each represents optionally substituted phenyl; R3 represents hydrogen, C2-8 alkoxycarbonyl, or methyl substituted by C1-6 alkoxy; R5 represents a residue of an amino acid such as glycine, alanine, leucine, or phenylalanine; and m is 1 or 2) or a salt of the derivative; and a peripheral analgesic containing the derivative or salt as an active ingredient.</p> |
