Patent · US Expired

Phamacologically active 5-carboxy-2-(5-tetrazolyl) pyridines

US4904675A · kind A · utility

9Cited by
3References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 10, 1988
Grant dateFeb 27, 1990
Priority date—
Expiry dateFeb 10, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D417/04
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Compounds of the formula I ##STR1## wherein the groups A, R.sub.1, R.sub.2 and R.sub.3 are as defined in the specification, exhibit valuable pharmacological properties, especially as antifibrotic agents. They are prepared by methods known per se.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.