Patent · US Expired

Cephem compounds

US5958914A · kind A · utility

1Cited by
1References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 26, 1998
Grant dateSep 28, 1999
Priority date
Expiry dateMar 26, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/55
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A compound of the formula: ##STR1## wherein R.sup.1 is amino, R.sup.2 is hydrogen, PA1 R.sup.3 is carboxy, PA1 R.sup.4 is heterocyclic(lower)alkylthio wherein said heterocyclic group is pyrazolyl and said lower alkyl group is methyl, and PA1 R.sup.5 is halogen; and pharmaceutically acceptable salts thereof.

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