Wiktionary
chlorprothixene
n. (context medicine English) A particular thioxanthene antipsychotic
Wikipedia
Chlorprothixene
Chlorprothixene (Cloxan, Taractan, Truxal) is a typical antipsychotic drug of the thioxanthene class and was the first of the series to be synthesized. It was introduced in 1959 by Lundbeck.
Chlorprothixene is not approved for use in the United States.