This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anaesthesia
Which of the following fluorinated agent does not produce fluoride to produce toxicity ? 
Select and explain. 
A. Sevoflurane, B. Methoxyflurane, C. Desflurane, D. Enflurane
C: Desflurane
Answer: C: Desflurane 
Explanation: Ans. is 'c' i.e., Desflurane