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Enantiomerically pure beta agonists, process for the manufacture thereof, and use thereof as medicaments

  • US 7,491,719 B2
  • Filed: 10/04/2006
  • Issued: 02/17/2009
  • Est. Priority Date: 05/14/2004
  • Status: Active Grant
First Claim
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1. R-6-Hydroxy-8-{1-hydroxy-2-[2-(4-methoxyphenyl)-1,1-dimethylethylamino]ethyl}-4H-benzo[1,4]oxazin-3-one hydrochloride.

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