Indole derivatives

  • US 5,565,447 A
  • Filed: 05/09/1995
  • Issued: 10/15/1996
  • Est. Priority Date: 07/28/1992
  • Status: Expired due to Term
First Claim
Patent Images

1. A compound of formula (I) ##STR11## wherein R1 and R2 each represents a hydrogen atom or a C1-6 alkyl group, Z represents a ring selected from:

  • ##STR12## in which n represents 4, 5 or 6;

    ##STR13## in which R.sup. 6 represents a C1-6 alkyl group, or pharmaceutically acceptable salts thereof.

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