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Compounds having β2 adrenergic receptor agonist and muscarinic receptor antagonist activity

  • US 7,842,704 B2
  • Filed: 12/11/2007
  • Issued: 11/30/2010
  • Est. Priority Date: 11/21/2003
  • Status: Expired due to Fees
First Claim
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1. A compound of formula I:

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