Performance enhancing, non-prescription use of Ritalin: a comparison with amphetamines and cocaine.

... chemical name methylphenidate (MPH), is a psychostimulant prescribed to treat attention-deficit/hyperactivity disorder (ADHD) and other conditions. Psychotropic effects and pharmacological pathways evoked by MPH are similar, but not identical to ...

http://www.citeulike.org/user/rightHand/article/1967737