What perscription pill is long and yellow and has r039 written on one side and the other side is blank

Not Medical Advice: Pill imprint with r039 is Alprazolam 2mg generic for Xanax 2mg. Xanax is a C-IV Benzodiazapine used to treat anxiety disorders.

Monday, February 06 2012
Source: http://www.drugs.com/imprints/r-0-3-9-12075.html