| abstract |
[Problem] To provide a compound which has an excellent activity to modulate the functions of CCR4 or TARC and/or MDC and can be used for the prevention and/or treatment of various inflammatory diseases, allergic diseases, autoimmune diseases and the like.n n[Means for Resolution] An acylaminopiperidine compound represented by the formula (I) or a pharmaceutically acceptable salt thereof.n n n n n n n n n n n [Symbols in the formula represent the following meanings; A: a single bond or C 1 -C 6 alkylene, R 1 : phenyl which may be substituted, etc., R 2 : —H or C 1 -C 6 alkyl, R 3 : —H, C 1 -C 6 alkyl or C 3 -C 8 cycloalkyl, R 4 : pyrrolidin-2-yl which may be substituted, etc., and D: benzene ring or pyrazole ring]. |