The compound of the formula (I):
wherein W is a group of the following formula (VIII) binding to any possible position on the Q:
Q is, together with W, a group of the formula: —C(W)═C(R
3A
)—N(R
3
)—, etc.; R
3A
is H or optionally substituted lower alkyl; R
4
, R
5
, R
6
, and R
7
are independently H or optionally substituted lower alkyl; R
1
is optionally substituted lower alkyl, etc.; R
2
is H, etc.; R
3
is H, etc.; Ar is phenyl, etc., or a pharmaceutically acceptable salt thereof, where these compounds exhibiting β3-adrenoceptor-stimulating activity and being useful as a medicament for treatment of obesity, etc.
The compound of the formula (I):
wherein W is a group of the following formula (VIII) binding to any possible position on the Q:
Q is, together with W, a group of the formula: -C(M=C(R3A)-N(R3)-, etc.;
R3A is H or optionally substituted lower alkyl; R4, R5, R6, and R7 are independently H or optionally substituted lower alkyl; R1 is optionally substituted lower alkyl, etc.; R2 is H, etc.; R3 is H, etc.; Ar is phenyl, etc., or a pharmaceutically acceptable salt thereof, where these compounds exhibiting β3-adrenoceptor-stimulating activity and being useful as a medicament for treatment of obesity, etc.