Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1994-09-27
1996-03-19
Chan, Nicky
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
549407, A61K 3135, C07D31158
Patent
active
055004440
ABSTRACT:
This invention relates to quaternary ammonium salts of certain 2H-1-benzopyran derivatives, to the intermediates and processes useful for their preparation, to their free-radical scavenger and cellular protective properties and to their end-use application as therapeutic agents.
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Bolkenius Frank
Grisar J. Martin
Petty Margaret A.
Chan Nicky
Hoechst Marion Roussel Inc.
Nesbitt Stephen L.
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