<unk>  is one of the propionic acid class of nonsteroidal anti-inflammatory drugs (NSAID) with analgesic and antipyretic effects. It acts by inhibiting the body's production of prostaglandin. It was patented in 1967 and approved for medical use in 1980.
Ketoprofen
Indoprofen
Loxoprofen
Fenoprofen
Aceclofenac
Ibuprofen
Diclofenac
Meloxicam