Selegiline [Chemical/Ingredient] Benzeneethanamine, N,alpha-dimethyl-N-2-propynyl-, (R)- D012642 Selegiline C0036579 C22546 9639 L-Deprenyl Selegiline Selegyline Selegiline, (R)-Isomer N0000006101 A selective, irreversible inhibitor of Type B monoamine oxidase. It is used in newly diagnosed patients with Parkinson's disease. It may slow progression of the clinical disease and delay the requirement for levodopa therapy. It also may be given with levodopa upon onset of disability. (From AMA Drug Evaluations Annual, 1994, p385) The compound without isomeric designation is Deprenyl. M0019601 Selegiline Phenethylamines [Chemical/Ingredient]