- a grayish-green to greenish-yellow, crystalline, water-insoluble solid, C12H9NS, used chiefly as an insecticide and vermifuge, and in the synthesis of pharmaceuticals.
- any of a class of medications used principally to treat psychotic symptoms, as delusions or hallucinations, and excessive excitability.
- a colourless to light yellow insoluble crystalline compound used as an anthelmintic for livestock and in insecticides. Formula: C 12 H 9 NS
- any of several drugs derived from phenothiazine and used as strong tranquillizers and in the treatment of schizophrenia
