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
[{'content': 'Which of the following drugs inhibit thromboxane A2 synthase? \nSelect and explain. \nA. Dazoxiben, B. Daltroban, C. Sultroban, D. Lamifiban', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Dazoxiben * Dazoxiben is an orally active thromboxane synthase inhibitor. It has shown a significant clinical improvement in patients with Raynaud's syndrome.* Daltroban and sultroban are TXA2 receptor antagonists.", 'role': 'assistant'}]