This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Which of the following anti platelet drug is a prodrug 
Select and explain. 
A. Clopidogril, B. Tirofiban, C. Aspirin, D. Dipyramidole
A: Clopidogril
Answer: A: Clopidogril 
Explanation: ADP receptors antagonist ,tiplodine and clopidogril are prodrugs Refer kDT 6/e,p605