| abstract |
The compounds of the formula I: (see formula (I)), in the form of salt or zwitterionic, where: J. L, R1, R2, R3, R4 and R5 have the meanings indicated in the specification, they are useful for the treatment of conditions that are mediated by the M3 muscarinic receptor. Pharmaceutical compositions containing the compounds, and a process for preparing the compounds are also described. |