This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hematology, Subject name: Pharmacology
Which among the following is iron chelator: 
Select and explain. 
A. EDTA, B. Desferrioxamine, C. BAL, D. Penicillamine
B: Desferrioxamine
Answer: B: Desferrioxamine 
Explanation: Uses EDTA- Manganese, Iron, Lead, Cadmium (MILK) Desferrioxamine - Iron BAL- Bismuth, Arsenic, Lead Penicillamine - Copper poisoning