| 摘要 |
A compound represented by the formula: <CHEM> wherein A is thiazolyl or the like, X is a bond or the like, m is an integer of 0 to 4, Y is optionally substituted alkyl or the like, Z is a substituent represented by the formula: <CHEM> wherein R<3> is hydrogen atom or the like, R<4> and R<5> are each independently hydrogen atom or the like, W is -(CH2)n- (n is 0,1,2 or 3) or the like, a prodrug thereof, its pharmaceutically acceptable salt, or its solvate is useful as a composition for prevention or treatment of Parkinson's disease.
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