Oct-1-en-3-ol-d 3 is deuterated labeled Linalool. Linalool is a natural monoterpene which is a competitive NMDA receptor antagonist. Linalool is orally active and crosses the blood-brain barrier. Linalool has anticancer , antibacterial , anti-inflammatory, neuroprotective, anxiolytic, antidepressant, anti-stress, cardioprotective, hepatoprotective, nephroprotective and pulmonary protective activities.