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4-Naphthyl and substituted naphthyl-3-hydroxy-3-pyrroline-2,5-diones and their use as inhibitors of glycolic acid oxidase

  • US 4,448,786 A
  • Filed: 06/25/1982
  • Issued: 05/15/1984
  • Est. Priority Date: 11/05/1979
  • Status: Expired due to Fees
First Claim
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1. The compounds having the structural formula:

  • ##STR28## wherein R4 is hydrogen, halogen, loweralkyl having 1 to 6 carbon atoms or ##STR29## or a pharmaceutically acceptable salt thereof.

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