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Isotopically enriched N-substituted piperazine acetic acids and methods for the preparation thereof

  • US 20050148774A1
  • Filed: 01/05/2004
  • Published: 07/07/2005
  • Est. Priority Date: 01/05/2004
  • Status: Active Grant
First Claim
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1. An isotopically enriched N-substituted piperazine acetic acid compound of the formula:

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