phenothiazine(redirected from Thiergan)
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A compound formerly used extensively for the treatment of intestinal nematodes in animals; without central nervous system depressant activity itself, it serves as the parent compound for synthesis of a large number of antipsychotic compounds, including chlorpromazine, thioridazine, perphenazine, and fluphenazine.
1. A yellow organic compound, C12H9NS, used in insecticides, livestock anthelmintics, and dyes.
2. Any of a group of drugs derived from this compound and used in the treatment of psychiatric disorders, such as schizophrenia.