| 摘要 |
<p>This invention relates to compounds which are generally muscarinic M2/M3 receptor antagonists and which are represented by the general formula (I) wherein R1, R2, R3 and R4 are as defined in the specification, or individual isomers, racemic or non-racemic mixtures of isomers, or acceptable salts or solvates thereof. The invention further relates to pharmaceutical compositions containing such compounds, processes for their preparation and their use as therapeutic agents.</p> |
