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
Which of the following has least extrapyramidal side effect: 
Select and explain. 
A. Haloperidol, B. Fluphenazine, C. Clozapine, D. Flupenthioxol
C: Clozapine
Answer: C: Clozapine 
Explanation: Ref: KDT 6/e p429 Clozapine is an atypical neuroleptic with least extrapyramidal side effects among all antipsychotics.