Mavacoxib

Mavacoxib (trade name Trocoxil) is a veterinary drug used to treat pain and inflammation in dogs with degenerative joint
disease. It acts as a COX-2 inhibitor.
Mavacoxib, along with other COX-2 selective inhibitors, celecoxib, valdecoxib, and parecoxib, were discovered by a team at the Searle division of Monsanto led by John Talley.
References.
 