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Benzoheterocyclic compounds

  • US 4,874,764 A
  • Filed: 06/18/1987
  • Issued: 10/17/1989
  • Est. Priority Date: 02/25/1986
  • Status: Expired due to Fees
First Claim
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1. A compound of the formula:

  • ##STR32## wherein R3 is C1 -C6 alkyl and RF is C1 -C6 alkyl, or a pharmaceutically acceptable salt thereof.

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