Phosphonocephem compound

  • US 6,906,055 B2
  • Filed: 08/10/2001
  • Issued: 06/14/2005
  • Est. Priority Date: 08/10/2000
  • Status: Active Grant
First Claim
Patent Images

1. A compound of the formula:

  • embedded imagewherein X is CH3COOH or CH3CH2COOH, and n is 0 to 5.

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