<unk>  is a nonsteroidal anti-inflammatory drug (NSAID). It was patented in 1971 and approved for medical use in 1985. It was approved in the U.S. in 1991.
Etodolac
Ketorolac
Tramadol
Desmetramadol
Tapentadol
Ketoprofen
Meloxicam
Pafolacianine