A method of treating at least one symptom or condition associated with but not limited to: 1) Substance-Related Disorders including but not limited to Substance Dependence, Substance Abuse, Substance Intoxication, Substance Withdrawal, Alcohol-Related Disorders, Amphetamine (or Amphetamine-Like)-Related Disorders, Caffeine-Related Disorders, Cannabis-Related Disorders, Cocaine-Related Disorders, Hallucinogen-Related Disorders, Inhalant-Related Disorders, Nicotine-Related Disorders, Opioid-Related Disorders, Phencyclidine (or Phencyclidine-Like)-Related Disorders, and Sedative-, Hypnotic- or Anxiolytic-Related Disorders. 2) Attention-Deficit and Disruptive Behavior Disorders. 3) Eating Disorders. 4) Personality Disorders including but not limited to Obsessive-Compulsive Personality Disorder. 5) Impulse-Control Disorders, comprising administering an effective amount of Formula Ior its pharmaceutically acceptable salt. In another aspect of the invention a pharmaceutical composition is provided comprising an effective amount of Formula I or its pharmaceutically acceptable salt and at least one pharmaceutically acceptable carrier or diluent.