This invention provides a compound of the Formula (I), wherein R1 represents Formula (II), wherein R5 represents a hydroxy group or the like; R6 represents a hydrogen atom or the like. Z represents a carbon or a nitrogen atom: R2 represents a hydrogen atom or the like: R3 represents a hydrogen or the like: A represents a cycloalkylene or the like: X represents a covalent bond or the like: R4 represents an aryl or the like. These compounds are useful for the treatment of disease conditions caused by overactivation of NMDA NR2B receptor such as pain, or the like in mammals. This invention also provides a pharmaceutical composition comprising the above compound.
                            本发明提供了一种Formula(I)化合物,其中R1代表Formula(II),其中R5代表羟基或类似物;R6代表氢原子或类似物。Z代表一个碳原子或氮原子:R2代表氢原子或类似物:R3代表氢原子或类似物:A代表环烷基或类似物:X代表共价键或类似物:R4代表芳基或类似物。这些化合物对于治疗由N
MDA NR2B受体过度激活引起的疾病状况如疼痛等在哺乳动物中是有用的。本发明还提供了包含上述化合物的制药组合物。