The invention relates to pyrazole derivative having formula I
wherein R1 is
and R2 is hydrogen, or R1 is
wherein n is 1 or 2 and R2 is hydrogen or halogen; and
R3 is bromine or iodine; or
a pharmaceutically acceptable salt thereof.
The compounds of this invention have muscarinic properties and can be used for the treatment of cognition disorders, for analgesia, and for the treatment of cholinergic deficiencies.
                            本发明涉及具有式 I 的
吡唑衍
生物
其中 R1 是
和 R2 为氢,或 R1 为
其中 n 为 1 或 2,R2 为氢或卤素;以及
R3 是
溴或
碘;或
其药学上可接受的盐。
本发明的化合物具有毒蕈碱特性,可用于治疗认知障碍、镇痛和
胆碱能缺乏症。