Biphenyl compounds useful as muscarinic receptor antagonists

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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Details

C546S152000, C514S307000, C514S311000

Reexamination Certificate

active

07858792

ABSTRACT:
This invention provides compounds of formula I:wherein a, b, c, m, p, r, R1, R2, R3, R4, R5, R6, W and X1are as defined in the specification. The compounds of formula I are muscarinic receptor antagonists. The invention also provides pharmaceutical compositions containing such compounds, processes and intermediates for preparing such compounds and methods of using such compounds to treat pulmonary disorders.

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