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': 'All are antiplatelet drugs except - \nSelect and explain. \nA. Aspirin, B. Clopidogrel, C. Dipyridamole, D. Warfarin', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Warfarin Antiplatelet (antithrombotic) drugs o Aspirin o Ticlopidine o GP Hb/Illa antagonists (Abciximab, eptifibatide, tirofiban) o Dipyridamole o Clopidogrel o Cilastazole", 'role': 'assistant'}]