Pyridyl carboximidamide compounds useful in treating blood pressure

  • US 5,223,508 A
  • Filed: 02/28/1992
  • Issued: 06/29/1993
  • Est. Priority Date: 12/27/1988
  • Status: Expired due to Term
First Claim
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1. A pyridinecarboximidamide derivative represented by the following formula (I) or an acid adduct salt thereof:

  • ##STR97## wherein X is a hydrogen atom or a chlorine atom,R is --R1 or ##STR98## wherein R1 is ##STR99## wherein R4 is an alkyl group with 1-3 carbon atoms or an alkoxyl group with 1-3 carbon atoms and b is an integer of 0-1,R2 is a hydrogen atom and a is an integer of 1-2, ##STR100## wherein R5 is one or more members selected from the group consisting of an alkyl group with 1-3 carbon atoms, an alkoxyl group with 1-3 carbon atoms, a phenylalkoxyl group with 1-3 carbon atoms in the alkoxyl moiety, a nitro group, an amino group, an alkylamino group with 1-3 carbon atoms, a phenylalkylamino group with 1-3 carbon atoms in the alkyl moiety, an alkylthio group with 1-3 carbon atoms, a perfluoroalkyl group with 1-3 carbon atoms or a halogen atom, c is an integer of 0-2 and when c is 2, two R5 '"'"'s may be the same or different members in the aforementioned group.

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