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Bipyridine substituted imidazoylidene, copper complex, and its use in food-producing animals

  • US 4,421,751 A
  • Filed: 04/01/1982
  • Issued: 12/20/1983
  • Est. Priority Date: 04/01/1982
  • Status: Expired due to Term
First Claim
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1. A compound of the formula ##STR6## wherein R1 and R2 are hydrogen, alkyl or phenyl, and including the cuprous, ferrous and nickelous salts thereof.

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