Inhibitor of p38 MAP kinase (IC50 = 0.1 - 1 μM). Potently inhibits LPS-induced IL-1 and TNF-α production in human monocytes (IC50 = 1 μM). Also inhibits 5-lipoxygenase- and cyclooxygenase-mediated arachidonic acid metabolism in RBL-1 cells (IC50 values are 10 and 100 μM respectively). Anti-inflammatory following oral administration in vivo.