Pill Identification  The pill with an R039 imprint has been identified as 2mg Alprazolam (Xanax ) manufactured and supplied by Actavis while the blue rectangle pill with the imprint B707  has been identified as Alprazolam 2 mg. It is supplied by Breckenridge Pharmaceutical. Alprazolam was first released by Upjohn Laboratories (now a part of Pfizer) in 1981, as the […]