Disclosed is a novel compound having an NPY Y5 receptor antagonistic activity.
A compound represented by the formula:
a pharmaceutically acceptable salt or solvate thereof,
wherein
R
1
is optionally substituted lower alkyl or the like,
R
2
and R
8
are each independently hydrogen or lower alkyl,
X is optionally substituted lower alkylene or the like,
Y is —OCONR
7
— or the like,
R
7
is hydrogen, lower alkyl or the like,
Z is optionally substituted carbocyclyl or the like,
W is optionally substituted alkylene or the like.