Oxyphenbutazone

Oxyphenbutazone is a nonsteroidal anti-inflammatory drug (NSAID). It is a metabolite of phenylbutazone.

It was withdrawn from markets worldwide in mid-1980s due to bone marrow suppression and the risk of Stevens–Johnson syndrome.

In Scrabble, the word "oxyphenbutazone" is the present highest scoring word resulting in 1,780 points based on the NASPA word list of 2006.