This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
[{'content': 'All arc atypical antipsychotic drugs except \nSelect and explain. \nA. Clozapine, B. Risperidone, C. Olanzapine, D. Loxapine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Atypical antipsychotic Clozapine Risperidone Olanzapine Quetiapine Aripiprazole Ziprasidone Other hetrocyclics Pimozide, Loxapine Ref: K D Tripathi 8th edition', 'role': 'assistant'}]