It is sold under the brand name Anaprox, and is similar to ibuprofen.    From Wordnik.com.  [A Guide to Choosing Over the Counter Pain Relievers] Reference

Ketoprofen is similar to Anaprox, and lasts up to 12 hours.    From Wordnik.com.  [A Guide to Choosing Over the Counter Pain Relievers] Reference

By this time I was taking Anacin, Anaprox, Midol and Robaxicet.    From Wordnik.com.  [A little whine « knitnut.net] Reference

Taking aspirin or any other over the counter NSAID such as Motrin, Advil, Nuprin, Anaprox, Orudis, Oruvail, etc. without your physician’s supervision, if on anticoagulant therapy, can cause serious hemorrhaging and excessive bleeding.    From Wordnik.com.  [Prescription Blood Thinners And Possible Problems] Reference

Products that contain naproxen include Aleve, Naprosyn, Anaprox, Anaprox DS, EC-Naproxyn, Naprelan, and Naprapac (copackaged with lansoprazole).    From Wordnik.com.  [Risk Of Harm From Motrin Aleve Advil - Better Odds In Crap Shoot] Reference