Pyrazolo [1,5-a] pyridine-3-carboxylic acid derivatives, their preparation process and their use
申请人:ASAHI KASEI KOGYO KABUSHIKI KAISHA
公开号:EP0483836A1
公开(公告)日:1992-05-06
Described herein are pyrazolo[1,5-a]pyridine-3-carboxylic acid derivatives represented by the following formula (I):
wherein R₁ and R₂ individually mean a hydrogen atom or a lower alkyl group, R₃ denotes an azabicyclo group containing a tertiary nitrogen atom, and Y stands for -O- or -NH-, or salts thereof. Their preparation process and serotonin receptor antagonists containing them as active ingredients are also described.