| 摘要 |
The compound of the formula (I): <CHEM> wherein W is a group of the following formula (VIII) binding to any possible position on the Q: <CHEM> Q is, together with W, a group of the formula: -C(M=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 beta 3-adrenoceptor-stimulating activity and being useful as a medicament for treatment of obesity, etc.
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