Clorotepine (INN; brand names Clotepin, Clopiben), also known as octoclothepin or octoclothepine, is an antipsychotic of the tricyclic group which was derived from perathiepin in 1965 and marketed in the Czech Republic by Spofa in or around 1971 for the treatment of schizophrenic psychosis.[1][2][3][4][5][6]