All of the following drugs are atypical antipsychotics EXCEPT?
Olanzapine
Clozapine
Risperidone
Thioridazine
Clozapine, asenapine, olanzapine, quetiapine, paliperidone, risperidone, seindole, ziprasidone, zotepine, and aripiprazole are atypical antipsychotic drugs. Ref KD Tripati 8th ed.
Central Nervous system