| abstract |
Abstract: The invention relates to pyrazole derivative having formula I (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 proper-ties and can be used for the treatment of cognition disorders, for analgesia, and for the treatment of cholinergic deficiencies. |