发明授权
EP0938483B1 MUSCARINIC ANTAGONISTS 失效
MUSCARIN-ANTAGONISTEN

MUSCARINIC ANTAGONISTS
摘要:
Di-N-substituted piperazine or 1,4 di-substituted piperidine compounds in accordance with formula I (including all isomers, salts, esters, and solvates) wherein R, R?1, R2, R3, R4, R21, R27, R28¿, X, Y and Z as defined herein are muscarinic antagonists useful for treating cognitive disorders such as Alzheimer's disease. Pharmaceutical compositions and methods of preparation are also disclosed. Also disclosed are synergistic combinations of compounds of the above formula with acetylcholinesterase inhibitors.
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