This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
Which of the following is not true about clozapine? 
Select and explain. 
A. Was retracted in phase 4 clinical trial, B. Used in Treatment resistant schizophrenia, C. Has a narrow therapeutic window, D. Can cause seizures at doses more than 300mg/day
C: Has a narrow therapeutic window
Answer: C: Has a narrow therapeutic window 
Explanation: Rest all are true about clozapine, Drugs with narrow therapeutic window, Lithium, Noryptaline