Alaphatic pyrazinoylguanidine sodium channel blockers

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

C544S407000

Reexamination Certificate

active

10920418

ABSTRACT:
The present invention provides compound represented by formula (I):where the structural variables are defined herein. The compounds function as sodium channel blockers and may be used to treat a variety of respiratory conditions.

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