Patent · US Expired

Imidazo1,2-A!indeno1,2-E!pyrazine-2-carboxylic acid derivatives, preparation thereof and drugs containing same

US5726175A · kind A · utility

1Cited by
7References
64Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 17, 1997
Grant dateMar 10, 1998
Priority date
Expiry dateJan 17, 2017

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P43/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A compound of formula (I): ##STR1## wherein R, R.sub.1, R.sub.2, and R.sub.3 are as defined in the application, salts thereof, preparation thereof and drugs containing same.

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