| 摘要 |
The invention relates to pyrazole derivative having formula I <CHEM> wherein R1 is <CHEM> and R2 is hydrogen, or R1 is <CHEM> 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. |
