Quinuclidine derivatives and their use as muscarinic M3...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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Details

C544S322000, C544S336000, C546S133000, C548S247000, C549S074000

Reexamination Certificate

active

08084463

ABSTRACT:
Compounds of Formula (I); in salt or zwitterionic form wherein R1, R2, R3and R4have the meanings as indicated in the specification, are useful for treating conditions that are mediated by the muscarinic M3 receptor, especially inflammatory or obstructive airways diseases. Pharmaceutical compositions that contain the compounds and a process for preparing the compounds are also described.

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