This invention provides novel 5-HT.sub.1F agonists of formula ##STR1## where X, Y, Z,and R are defined in the specification, which are useful for the prevention and treatment of migraine and associated disorders.
这项发明提供了一种新型的5-HT.sub.1F激动剂,其
化学式为##STR1##其中X、Y、Z和R在说明书中有定义,对于预防和治疗偏头痛及相关疾病是有用的。