Pharmaceutical preparations for the treatment of viral diseases; Pharmaceutical preparations for the treatment of viral infections; Pharmaceutical preparations for the treatment of circadian rhythm diseases and disorders; Pharmaceutical preparations for the treatment of Non-24-Hour Sleep-Wake Disorder; Pharmaceutical preparations for the treatment of jet lag disorder; Pharmaceutical preparations for the treatment of Smith-Magenis Syndrome; Pharmaceutical preparations for the treatment of Delayed Sleep Phase Disorder; Pharmaceutical preparations for the treatment of bipolar disorder; Pharmaceutical preparations for the treatment of schizophrenia; Pharmaceutical preparations for the treatment of atopic dermatitis; Pharmaceutical preparations for the treatment of pruritus; Pharmaceutical preparations for the treatment of craving; Pharmaceutical preparations for the treatment of gastroparesis; Pharmaceutical preparations for the treatment of motion sickness; Pharmaceutical preparations for the treatment of hematologic malignancies; Pharmaceutical preparations for the treatment of fatigue; Pharmaceutical preparations for the treatment of narcolepsy; Pharmaceutical preparations for the treatment of levodopa-induced dyskinesias in Parkinson's Disease; Pharmaceutical preparations for the treatment of viral pneumonia; Pharmaceutical preparations for the treatment of social anxiety disorder and social anxiety disorder performance-only subtype; Pharmaceutical preparations for the treatment of respiratory distress, acute respiratory distress syndrome, and inflammatory lung injury; Pharmaceutical preparations for the treatment of gastric motility and gastric emptying disorders; Pharmaceutical preparations for the treatment of cancer; Pharmaceutical preparations for the treatment of multiple myeloma; Pharmaceutical preparations for facilitating emergence from general anesthesia; Pharmaceutical preparations for improving cognition; Pharmaceutical preparations, namely, antivirals