Pharmaceutical preparations for the treatment and prevention of brain and central nervous system diseases and disorders, sanitary preparations for medical purposes; vaccines; pharmaceutical preparations and substances for the prevention and treatment of disorders and diseases in, generated by or acting on the central nervous system; pharmaceutical preparations and substances acting on the central nervous system; central nervous system stimulants; pharmaceutical preparations and substances for the prevention and treatment of psychiatric and neurological disorders and diseases; pharmaceutical preparations and substances for the prevention and treatment of Alzheimer's disease and disorder, depression, psychosis, anxiety, epilepsy, multiple sclerosis, porphyria, Huntington's disease and disorder, insomnia, Parkinson's disease and disorder, schizophrenia, bipolar disorder and disease, oncology, pain, alcoholism and dependency; diagnostic preparations, substances, reagents and agents for medical purposes