FR 167653 (FR 167653 sulfate) is effective in treating inflammation, relieving trauma and ischemia-reperfusion injury in vivo. FR 167653 , an orally active and selective p38 MAPK inhibitor, is a potent suppressor of TNF-α and IL-1β production via specific inhibition of p38 MAPK activity.
FR167344 free base is an orally active, nonpeptide antagonist of the bradykinin receptor B2, exhibiting high-affinity binding (IC50: 65 nM) and showing no binding affinity for the B1 receptor.
FR64822(N-(4-pyridylcarbamoyl)amino 1,2,3,6,-tetrahydropyridine), a novel non-opioid antinociceptive compound, displays antinociceptive activities in a variety of assays with mice and rats. It has a strong antinociceptive activity in the acetic acid writh