Novel piperazine derivatives are provided having the formula
wherein R
1
is cyano, nitro, trifluoromethyl or halogen, or pharmaceutically acceptable acid addition salts thereof, which are useful as 5-HT
1A
receptor antagonists.
提供了具有以下式子的新型
哌嗪衍
生物:
其中R1是
氰基,硝基,三
氟甲基或卤素,或其药学上可接受的酸加成盐,其作为5-HT1A受体拮抗剂是有用的。