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: Pharmacology
All of the following are irreversible ADP inhibitors except 
Select and explain. 
A. Ticlodipine, B. Clopidogrel, C. Prasugrel, D. Cangrelor
D: Cangrelor
Answer: D: Cangrelor 
Explanation: Cangrelor & Ticagrelor are reversible ADP inhibitors.