Ketoprofen glucuronide

Formula : C22-H22-O9
CAS : 76690-94-3 

Principal metabolite of ketoprofen.

Ketoprofen sodium

Formula : C16-H13-O3.Na
CAS : 57495-14-4 

An IBUPROFEN-type anti-inflammatory analgesic and antipyretic. It is used in the treatment of rheumatoid arthritis and osteoarthritis.