Piperazine derivatives of formula (I) processes for their preparation, pharmaceutical compositions containing them and to their use in therapy as 5-HT1B antagonists. W,Y,Ra-Reare so defined in the application.
式(I)的
哌嗪衍
生物,其制备方法,包含它们的制药组合物以及作为5-HT1B拮抗剂在治疗中的用途。W,Y,Ra-Re在申请中有定义。