A COX inhibitor (IC50s = 3.24 and 0.55 μM for COX-1 and COX-2, respectively); inhibits carrageenan-induced PGE2 and TXB2 production in sheep exudate and serum, respectively, at 1.1 mg/kg; has anti-inflammatory, analgesic, and antipyretic activity in horses at 1.1 mg/I/kg