This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Toxicology - 1, Subject name: Forensic Medicine
Which of the following chelating agent is not used in lead poisoning 
Select and explain. 
A. EDTA, B. CUPRIMINE, C. DMSA, D. DESFERRIOXAMINE
D: DESFERRIOXAMINE
Answer: D: DESFERRIOXAMINE 
Explanation: Chelating agent used in lead poisoning a) EDTA b) CUPRIMINE c) DMSA d) BAL e) DMPS