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Compounds having BETA2 adrenergic receptor agonist and muscarinic receptor antagonist activity

  • US 8,247,564 B2
  • Filed: 10/13/2010
  • Issued: 08/21/2012
  • Est. Priority Date: 11/21/2003
  • Status: Expired due to Fees
First Claim
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1. A process for preparing a compound of formula I:

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