Diphenylmethyl compounds useful as muscarinic receptor...

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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C548S568000, C514S428000

Reexamination Certificate

active

11543622

ABSTRACT:
This invention provides compounds of formula I:wherein a, b, c, e, m, R1, R2, R3, R4a, R4b, R5, R6, R7, and R8are 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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