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
[{'content': 'Which of the following drug is not a GPIIb / III a antagonist? \nSelect and explain. \nA. Tirofiban, B. Abciximab, C. Eptiifibatide, D. Prasugrel', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Prasugrel is an antagonist of P2\xa0Y12 receptors of ADP like clopidogrel.', 'role': 'assistant'}]